HI

Hideki Ishikawa

Ngk Spark Plug Co.: 15 patents #96 of 1,594Top 7%
SI Seiko Instruments: 5 patents #328 of 1,437Top 25%
SC Seiko Electronic Components: 4 patents #7 of 47Top 15%
SO Sony: 4 patents #8,966 of 25,231Top 40%
AI Aisin: 1 patents #310 of 1,000Top 35%
TC Toppan Printing Co.: 1 patents #691 of 1,467Top 50%
Samsung: 1 patents #49,284 of 75,807Top 70%
Overall (All Time): #128,781 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
12422039 Vehicle drive device Kazunori Nakajima, Wataru Washino, Nozomu Takahashi, Takayoshi HANAI, Hiroaki Sanji 2025-09-23
12091563 Inkjet ink and printed item Yuichi Hoshino, Masato FUKUSHIRO, Masatoshi Saito 2024-09-17
11614243 Outdoor unit, air conditioner, fan guard, and method of manufacturing fan guard Takeshi Takahara, Suguru Nakagawa, Jeimin CHOI, JaeSung Yoo, Joonho YOON +1 more 2023-03-28
10665872 Fuel cell stack and method for manufacturing fuel cell stack Nobuyuki Hotta, Shunta Ohashi, Yasuki Izutsu 2020-05-26
10224553 Fuel cell comprising connection members having different thickness for each of cell units and method for manufacturing same Kenji Miyabata 2019-03-05
10224555 Fuel cell Hideki Uematsu, Hiroya Ishikawa, Takeshi Ohno, Takafumi SHICHIDA, Shunsuke Tsuga 2019-03-05
9761888 Fuel cell Hiroaki Yagi, Nobuyuki Hotta, Hideki Uematsu, Hiroya Ishikawa 2017-09-12
8416654 Optical disc drive apparatus, optical pickup control method and program 2013-04-09
8130605 Driving device and method, program, and recording medium 2012-03-06
7492075 Multilayer piezoelectric element, fuel injector having the piezoelectric element and piezoelectric element production method Masashi Tsuzuki 2009-02-17
7416651 Gas sensor Shoji Kitanoya, Takeshi Morita, Noboru Ishida 2008-08-26
7272084 Optical disc apparatus and tracking control method 2007-09-18
7082810 Gas sensor Masashi Sakamoto, Yoshikuni Sato, Keigo Banno, Katsuya Otake, Takeshi Morita +1 more 2006-08-01
7080543 Sensor and method for manufacturing the same Yoshikuni Sato, Keigo Banno, Masashi Sakamoto, Noboru Ishida, Takafumi Oshima 2006-07-25
6892565 Gas sensor and gas concentration detecting device Yoshikuni Sato, Morio Onoda, Takeshi Morita, Noboru Ishida 2005-05-17
6892566 Gas concentration sensor Masashi Sakamoto, Yoshikuni Sato, Keigo Banno, Noboru Ishida 2005-05-17
6886412 Ultrasonic-wave propagation-time measuring method and gas concentration sensor Keigo Banno, Yoshikuni Sato, Noboru Ishida, Takafumi Oshima 2005-05-03
6568240 Method and apparatus using a gas concentration sensor for accurately controlling an air fuel ratio in an internal combustion engine Yoshikuni Sato, Noboru Ishida, Takafumi Oshima, Yasushi Sato 2003-05-27
6568281 Ultrasonic-wave propagation-time measuring method, gas-pressure measuring method, gas-flow rate measuring method, and gas sensor Yoshikuni Sato, Keigo Banno, Noboru Ishida, Takafumi Oshima 2003-05-27
6418782 Gas concentration sensor Yoshikuni Sato, Noboru Ishida, Takafumi Oshima, Yasushi Sato 2002-07-16
6308572 Gas concentration sensor Yoshikuni Sato, Keigo Banno, Noboru Ishida, Takafumi Oshima 2001-10-30
6031801 Apparatus and method for reproducing data recorded at a predetermined linear velocity on a disc-like recording medium Takeshi Hachimori, Mitsuru Okabe 2000-02-29
5796696 Chassis with strengthening rib having stepped section for recording and/or reproducing apparatus Osamu Shigenai 1998-08-18
RE35818 Non-aqueous electrolyte secondary battery and method of producing the same Kensuke Tahara, Tsugio Sakai, Akifumi Sakata, Fumiharu Iwasaki, Seiji Yahagi 1998-06-02
5620812 Non-aqueous electrolyte secondary battery Kensuke Tahara, Fumiharu Iwasaki, Seiji Yahagi, Akifumi Sakata, Tsugio Sakai +1 more 1997-04-15