High-Performance SAW Resonator With Simplified LiTaO3/SiO2 Double Layer Structure on Si Substrate
Takai, Tsutomu, Iwamoto, Hideki, Takamine, Yuichi, Fuyutsume, Toshiyuki, Nakao, Takeshi, Hiramoto, Masahiro, Toi, Takanori, Koshino, Masayoshi
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01.05.2019)
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01.05.2019)
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Journal Article
High-Performance SAW Resonator on New Multilayered Substrate Using LiTaO3 Crystal
Takai, Tsutomu, Iwamoto, Hideki, Takamine, Yuichi, Yamazaki, Hisashi, Fuyutsume, Toshiyuki, Kyoya, Haruki, Nakao, Takeshi, Kando, Hajime, Hiramoto, Masahiro, Toi, Takanori, Koshino, Masayoshi, Nakajima, Norio
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01.09.2017)
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01.09.2017)
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Journal Article
High-Performance SAW Resonator With Simplified LiTaO 3 /SiO 2 Double Layer Structure on Si Substrate
Takai, Tsutomu, Iwamoto, Hideki, Takamine, Yuichi, Fuyutsume, Toshiyuki, Nakao, Takeshi, Hiramoto, Masahiro, Toi, Takanori, Koshino, Masayoshi
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01.05.2019)
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01.05.2019)
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Journal Article
I.H.P. SAW technology and its application to microacoustic components (Invited)
Takai, Tsutomu, Iwamoto, Hideki, Takamine, Yuichi, Fuyutsume, Toshiyuki, Nakao, Takeshi, Hiramoto, Masahiro, Toi, Takanori, Koshino, Masayoshi
Published in 2017 IEEE International Ultrasonics Symposium (IUS) (01.09.2017)
Published in 2017 IEEE International Ultrasonics Symposium (IUS) (01.09.2017)
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Conference Proceeding
High-Performance SAW Resonator on New Multilayered Substrate Using LiTaO 3 Crystal
Takai, Tsutomu, Iwamoto, Hideki, Takamine, Yuichi, Yamazaki, Hisashi, Fuyutsume, Toshiyuki, Kyoya, Haruki, Nakao, Takeshi, Kando, Hajime, Hiramoto, Masahiro, Toi, Takanori, Koshino, Masayoshi, Nakajima, Norio
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01.09.2017)
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01.09.2017)
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Journal Article
Miniaturized Quartz Waveguide Filter using Double-Folded Structure
Matsutani, Kei, Kojima, Hiroshi, Nakahori, Manabu, Kuroda, Katsuhito, Onaka, Kengo, Koshino, Masayoshi, Toi, Takanori
Published in 2019 IEEE MTT-S International Microwave Symposium (IMS) (01.06.2019)
Published in 2019 IEEE MTT-S International Microwave Symposium (IMS) (01.06.2019)
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Conference Proceeding
A Compact 28GHz Bandpass Filter using Quartz Folded Waveguide
Kojima, Hiroshi, Nakahori, Manabu, Matsutani, Kei, Kuroda, Katsuhito, Onaka, Kengo
Published in 2018 IEEE/MTT-S International Microwave Symposium - IMS (01.06.2018)
Published in 2018 IEEE/MTT-S International Microwave Symposium - IMS (01.06.2018)
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Conference Proceeding
Investigations on design technologies for SAW quadplexer with narrow duplex gap
Takai, Tsutom, Iwamoto, Hideki, Takamine, Yuichi, Wada, Takaya, Hiramoto, Masahiro, Koshino, Masayoshi, Nakajima, Norio
Published in 2016 IEEE MTT-S International Microwave Symposium (IMS) (01.05.2016)
Published in 2016 IEEE MTT-S International Microwave Symposium (IMS) (01.05.2016)
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Conference Proceeding
28 GHz wideband filter using quartz crystal waveguide for massive MIMO antenna unit
Onaka, Kengo, Kojima, Hiroshi, Matsutani, Kei, Horita, Atsushi, Wada, Takaya, Koshino, Masayoshi, Kawashima, Makata, Nakajima, Norio
Published in 2017 IEEE MTT-S International Microwave Symposium (IMS) (01.06.2017)
Published in 2017 IEEE MTT-S International Microwave Symposium (IMS) (01.06.2017)
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Conference Proceeding
A novel switchable SAW Duplexer for band 28
Matsutani, Kei, Tani, Masakazu, Tsukamoto, Hideici, Horita, Atsushi, Onaka, Kengo, Wada, Takaya, Koshino, Masayoshi, Kawashima, Makoto, Nakajima, Norio
Published in 2017 IEEE MTT-S International Microwave Symposium (IMS) (01.06.2017)
Published in 2017 IEEE MTT-S International Microwave Symposium (IMS) (01.06.2017)
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Conference Proceeding
Transverse Modes in I.H.P. SAW Resonator and Their Suppression Method
Iwamoto, Hideki, Takai, Tsutomu, Takamine, Yuichi, Nakao, Takeshi, Fuyutsume, Toshiyuki, Koshino, Masayoshi
Published in 2018 IEEE International Ultrasonics Symposium (IUS) (01.10.2018)
Published in 2018 IEEE International Ultrasonics Symposium (IUS) (01.10.2018)
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Conference Proceeding
A new tunable RF front-end circuit for advanced 4G handsets
Obiya, Hidenori, Wada, Takaya, Hayafuji, Hisao, Ogami, Takashi, Tani, Masakazu, Koshino, Masayoshi, Kawashima, Makoto, Nakajima, Norio
Published in 2014 IEEE MTT-S International Microwave Symposium (IMS2014) (01.06.2014)
Published in 2014 IEEE MTT-S International Microwave Symposium (IMS2014) (01.06.2014)
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Conference Proceeding
A miniaturized broadband lumped element circulator for reconfigurable front-end system
Wada, Takaya, Nakajima, Reiji, Obiya, Hidenori, Ogami, Takashi, Koshino, Masayoshi, Kawashima, Makoto, Nakajima, Norio
Published in 2014 IEEE MTT-S International Microwave Symposium (IMS2014) (01.06.2014)
Published in 2014 IEEE MTT-S International Microwave Symposium (IMS2014) (01.06.2014)
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Conference Proceeding
Ferric phosphate-dissolving compound, alfafuran, from alfalfa (Medicago sativa L.) in response to iron-deficiency stress
Noguchi, Akira, Yoshihara, Teruhiko, Ichihara, Akitami, Sugihara, Susumu, Koshino, Masayoshi, Kojima, Makoto, Masaoka, Yoshikuni
Published in Bioscience, biotechnology, and biochemistry (1994)
Published in Bioscience, biotechnology, and biochemistry (1994)
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Journal Article
A novel 4-port lumped element circulator for high-isolation duplex architecture
Kusumoto, Yusuke, Wada, Takaya, Obiya, Hidenori, Koshino, Masayoshi, Kawashima, Makoto, Nakajima, Norio
Published in 2015 IEEE MTT-S International Microwave Symposium (01.05.2015)
Published in 2015 IEEE MTT-S International Microwave Symposium (01.05.2015)
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Conference Proceeding
A study on low Rx-band noise power amplifier for reconfigurable RF front-end circuit
Obiya, Hidenori, Hitomi, Shinya, Wada, Takaya, Hayafuji, Hisao, Kusumoto, Yusuke, Koshino, Masayoshi, Kawashima, Makoto, Nakajima, Norio
Published in 2015 IEEE MTT-S International Microwave Symposium (01.05.2015)
Published in 2015 IEEE MTT-S International Microwave Symposium (01.05.2015)
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Conference Proceeding
Tunable isolator using variable capacitor for multi-band system
Wada, Takaya, Okubo, Daisuke, Hasegawa, Takashi, Koshino, Masayoshi, Okada, Takekazu
Published in 2013 IEEE MTT-S International Microwave Symposium Digest (MTT) (01.06.2013)
Published in 2013 IEEE MTT-S International Microwave Symposium Digest (MTT) (01.06.2013)
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Conference Proceeding
A Novel 3.5 GHz Low-Loss Bandpass Filter Using I.H.P. SAW Resonators
Takamine, Yuichi, Takai, Tsutomu, Iwamoto, Hideki, Nakao, Takeshi, Koshino, Masayoshi
Published in 2018 Asia-Pacific Microwave Conference (APMC) (01.11.2018)
Published in 2018 Asia-Pacific Microwave Conference (APMC) (01.11.2018)
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Conference Proceeding