YI

Yoshitaka Ishikawa

HK Hamamatsu Photonics K.K.: 8 patents #260 of 1,436Top 20%
NT Nuflare Technology: 3 patents #117 of 298Top 40%
SI Sumitomo Heavy Industries: 2 patents #252 of 917Top 30%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #334,712 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
12338543 Vapor phase growth method using reflector with changeable pattern Takehiko Kobayashi, Hideshi TAKAHASHI, Yasushi Iyechika, Takashi Haraguchi, Kiyotaka Miyano 2025-06-24
11592340 Circuit device and temperature detection system Shinya Nakano, Kenji Koizumi, Chikara Ohmori, Naohisa Morimoto 2023-02-28
10287707 Film growth apparatus, film growth method and maintenance method of film growth apparatus Hideshi TAKAHASHI 2019-05-14
10204819 Vapor phase growth apparatus and ring-shaped holder having a curved mounting surface with convex and concave regions Yasushi Iyechika, Masayuki TSUKUI 2019-02-12
9972729 Photodiode and photodiode array Kazuhisa Yamamura, Akira Sakamoto, Terumasa Nagano, Satoshi Kawai 2018-05-15
9614109 Photodiode and photodiode array Kazuhisa Yamamura, Akira Sakamoto, Terumasa Nagano, Satoshi Kawai 2017-04-04
9385151 Manufacturing method for edge illuminated type photodiode and semiconductor wafer Hiroshi Oguri, Akira Sakamoto, Tomoya Taguchi, Yoshimaro Fujii 2016-07-05
9190551 Photodiode and photodiode array Kazuhisa Yamamura, Akira Sakamoto, Terumasa Nagano, Satoshi Kawai 2015-11-17
8993361 Manufacturing method for edge illuminated type photodiode and semiconductor wafer Hiroshi Oguri, Akira Sakamoto, Tomoya Taguchi, Yoshimaro Fujii 2015-03-31
8994135 Photodiode and photodiode array Kazuhisa Yamamura, Akira Sakamoto, Terumasa Nagano, Satoshi Kawai 2015-03-31
8742528 Photodiode and photodiode array Kazuhisa Yamamura, Akira Sakamoto, Terumasa Nagano, Satoshi Kawai 2014-06-03
5843204 Method for recycling iron and steel industry waste Susumu Ide, Toshio Matsuoka, Shinichi Kurozu, Hiroshi Koide, Shigeru Morishita +1 more 1998-12-01
5654536 Photomultiplier having a multilayer semiconductor device Motohiro Suyama, Masaharu Muramatsu, Makoto Oishi, Koei Yamamoto 1997-08-05
4805695 Counterflow heat exchanger with floating plate Takeo Matsumoto 1989-02-21