KI

Kenji Ishikawa

TL Tokyo Electron Limited: 12 patents #586 of 5,567Top 15%
Fujitsu Limited: 10 patents #3,161 of 24,456Top 15%
TK Terumo Kabushiki Kaisha: 9 patents #136 of 1,558Top 9%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
HH Hitachi High-Technologies: 3 patents #968 of 1,917Top 55%
KA Kao: 3 patents #1,053 of 3,221Top 35%
SC Shin-Etsu Chemical Co.: 3 patents #839 of 2,176Top 40%
TL Tokyo Electron Yamanashi Limited: 2 patents #21 of 138Top 20%
SH Showa: 2 patents #102 of 337Top 35%
FL Fujitsu Semiconductor Limited: 1 patents #612 of 1,301Top 50%
FL Fujitsu Microelectronics Limited: 1 patents #212 of 624Top 35%
TL Tokyo Electron Tohoku Limited: 1 patents #33 of 103Top 35%
EB Ebara: 1 patents #1,014 of 1,611Top 65%
NK Nippon Hoso Kyokai: 1 patents #306 of 703Top 45%
JE Jeol: 1 patents #309 of 669Top 50%
📍 Miyoshi, CA: #2 of 9 inventorsTop 25%
Overall (All Time): #55,352 of 4,157,543Top 2%
49
Patents All Time

Issued Patents All Time

Showing 1–25 of 49 patents

Patent #TitleCo-InventorsDate
12237174 Etching method Kazunori Shinoda, Hirotaka Hamamura, Kenji Maeda, Kenetsu Yokogawa, Masaru Hori 2025-02-25
11890423 Healthcare device and a method of use thereof 2024-02-06
11261091 Carbon nanosheet and manufacturing method therefor Masaru Hori, Hiroki Kondo 2022-03-01
10418254 Etching method and etching apparatus Kazunori Shinoda, Naoyuki Kofuji, Hiroyuki Kobayashi, Nobuya Miyoshi, Kohei Kawamura +2 more 2019-09-17
10325781 Etching method and etching apparatus Kazunori Shinoda, Satoshi Sakai, Masaru Izawa, Nobuya Miyoshi, Hiroyuki Kobayashi +2 more 2019-06-18
9773667 Apparatus and method for producing group III nitride semiconductor device and method for producing semiconductor wafer Masaru Hori, Hiroki Kondo, Osamu Oda 2017-09-26
8650727 Process for producing cleaning sheet Keima Takabayashi, Minoru Wada, Kazutoshi Ootsuka 2014-02-18
7968466 Fabrication process of a semiconductor device to form ultrafine patterns smaller than resolution limit of exposure apparatus Hideharu Shido, Takeo Nagata, Teruo Kurahashi, Yasuyoshi Mishima 2011-06-28
7806392 Spring sheet structure of hydraulic shock absorber 2010-10-05
7709394 Substrate processing method and apparatus fabrication process of a semiconductor device Hidenori Miyoshi, Yukio Takigawa, Yoshihiro Nakata, Hideki Tateishi 2010-05-04
7679144 Semiconductor device and method for manufacturing the same Hiroshi Kudo 2010-03-16
7612400 MIM device and electronic apparatus Teruo Kurahashi, Hideharu Shido, Takeo Nagata, Yasuyoshi Mishima, Yukie Sakita 2009-11-03
7298964 Recording system, video camera device and video image recording method Takuya Sayama, Akihiko Ohtani, Toshimasa Mitsumori 2007-11-20
7155814 Method for assembling a magnetic tape cartridge Hidetoshi Yamamoto, Yusuke Ishihara, Naoki Okutsu 2007-01-02
7077352 Magnetic tape cartridge Hidetoshi Yamamoto, Kiyoo Morita, Akihiro Hashimoto, Daisuke Takahashi, Hideaki Shiga 2006-07-18
6936333 Bulky sheet and process for producing the same Akihito Shizuno, Kouji Machii, Hiromichi Suzuki 2005-08-30
6898843 Assembly supporting device for magnetic tape cartridge Hidetoshi Yamamoto, Yusuke Ishihara, Naoki Okutsu 2005-05-31
6896217 Magnetic tape cartridge Hidetoshi Yamamoto, Kiyoo Morita, Akihiro Hashimoto, Daisuke Takahashi, Hideaki Shiga 2005-05-24
6891183 Ultrasonic-welding apparatus, optical sensor and rotation sensor for the ultrasonic-welding apparatus Kouta Kitamura, Tadashi Takahara, Novuo Takahashi 2005-05-10
6857593 Magnetic tape cartridge Hidetoshi Yamamoto, Yusuke Ishihara, Naoki Okutsu 2005-02-22
6768128 Ultrasonic-welding apparatus, optical sensor and rotation sensor for the ultrasonic-welding apparatus Kouta Kitamura, Tadashi Takahara, Novuo Takahashi 2004-07-27
6750446 Ultrasonic-welding apparatus, optical sensor and rotation sensor for the ultrasonic-welding apparatus Kouta Kitamura, Tadashi Takahara, Novuo Takahashi 2004-06-15
6482180 Intravascular catheter Yoshihide Toyokawa, Toshiya Asai 2002-11-19
6376046 Cleaning article impregnated with detergent Eiichi Hoshino, Koji Hanaoka, Fumiko Inaba, Kazuo Mori, Hironobu Sionome 2002-04-23
6224934 Ozone-processing apparatus for semiconductor process system Masaaki Hasei, Qian Shao Shou, Tetsuya Nakano 2001-05-01