KY

Koei Yamamoto

HK Hamamatsu Photonics K.K.: 27 patents #57 of 1,436Top 4%
HP Hamamatsu Photonics: 2 patents #41 of 131Top 35%
MS Morita Seisakusho: 2 patents #35 of 109Top 35%
JM J. Morita Mfg.: 1 patents #84 of 136Top 65%
NT NTT: 1 patents #2,911 of 4,871Top 60%
NT Ntt Advanced Technology: 1 patents #43 of 188Top 25%
Overall (All Time): #121,262 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
12247870 Photodetector device having avalanche photodiodes two-dimensionally arranged on a semiconductor layer and quenching element connected in series to the photodiodes Takuya Fujita, Yusei Tamura, Kenji Makino, Takashi Baba 2025-03-11
11860032 Photodetector device having avalanche photodiodes two-dimensionally arranged on a compound semiconductor layer and quenching element connected in series to the photodiodes Takuya Fujita, Yusei Tamura, Kenji Makino, Takashi Baba 2024-01-02
11322635 Light detection device Takashi Baba, Shunsuke Adachi, Shigeyuki Nakamura, Terumasa Nagano 2022-05-03
11289614 Photoelectric conversion element and photoelectric conversion module Shigeyuki Nakamura, Terumasa Nagano, Kenichi Sato 2022-03-29
11183608 Photodetecting device with weak light signal detection and low power consumption Shigeyuki Nakamura, Shunsuke Adachi, Takashi Baba, Terumasa Nagano 2021-11-23
11125616 Photodetector device comprising each of a plurality of passive quenching elements connected in series to at least one avalanche photodiode and a capacitative element connected in parallel to the passive quenching element Takuya Fujita, Yusei Tamura, Kenji Makino, Takashi Baba 2021-09-21
10816681 Radiation detector and manufacturing method for radiation detector Keiji Abe, Toshiyuki Izawa 2020-10-27
10249784 Optical sensor capable of being applied to a tilt sensor Hiroshi Okamoto, Masaomi Takasaka, Yuki Okuwa, Shinya IWASHINA 2019-04-02
10224361 Photodiode array Terumasa Nagano, Kazuhisa Yamamura, Kenichi Sato, Ryutaro Tsuchiya 2019-03-05
10205296 Swept light source and method for controlling the same Seiji Toyoda, Yuzo Sasaki, Takashi Sakamoto, Joji Yamaguchi, Tadashi Sakamoto +7 more 2019-02-12
10192923 Photodiode array Terumasa Nagano, Kazuhisa Yamamura, Kenichi Sato, Ryutaro Tsuchiya 2019-01-29
9823359 Radiation image detection device Toshihiro Oikawa, Hiroki Suzuki, Yuichi Miyamoto, Naoto Sakurai 2017-11-21
9625587 Device for reading radiological images Toshihiro Oikawa, Hiroki Suzuki, Yuichi Miyamoto, Naoto Sakurai 2017-04-18
9620662 Ultraviolet sensor and ultraviolet detecting device Kenzo Hayatsu, Terumasa Nagano, Yuki Okuwa, Ryuta YAMADA 2017-04-11
9419159 Semiconductor light-detecting element Akira Sakamoto, Takashi Iida, Kazuhisa Yamamura, Terumasa Nagano 2016-08-16
9385155 Photodiode array Terumasa Nagano, Kazuhisa Yamamura, Kenichi Sato, Ryutaro Tsuchiya 2016-07-05
9000492 Back-illuminated solid-state image pickup device Hisanori Suzuki, Yasuhito Yoneta, Yasuhito Miyazaki, Masaharu Muramatsu 2015-04-07
8947771 Optical amplifying device Toshiharu Moriguchi, Shingo Oishi, Masatoshi Fujimoto, Shigeru Sakamoto, Hironori Takahashi +3 more 2015-02-03
8916945 Semiconductor light-detecting element Akira Sakamoto, Takashi Iida, Kazuhisa Yamamura, Terumasa Nagano 2014-12-23
8791538 Photodiode array Terumasa Nagano, Kazuhisa Yamamura, Kenichi Sato, Ryutaro Tsuchiya 2014-07-29
8754502 Photodiode array Terumasa Nagano, Kazuhisa Yamamura, Kenichi Sato, Ryutaro Tsuchiya 2014-06-17
8624301 Back-illuminated solid-state image pickup device Hisanori Suzuki, Yasuhito Yoneta, Masaharu Muramatsu 2014-01-07
8013413 Distance image sensor Masanori Sahara, Mitsutaka Takemura 2011-09-06
6724062 Semiconductor energy detector Hiroshi Akahori, Hisanori Suzuki, Kazuhisa Miyaguchi, Masaharu Muramatsu 2004-04-20
6541753 Semiconductor energy detector having reinforcement Hiroshi Akahori, Masaharu Muramatsu 2003-04-01