Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Shigeru Kikuchi — 17 Patents

Hitachi: 14 patents #2,892 of 28,497Top 15%
OIOsaka Oxygen Industries: 1 patents #3 of 21Top 15%
OKOsaka Sanso Kogyo: 1 patents #18 of 46Top 40%
Toyota: 1 patents #15,486 of 26,838Top 60%
Tokyo, JP: #9,037 of 90,295 inventorsTop 15%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
Shigeru Kikuchi has been granted 17 US patents while listed as an inventor at Hitachi. The first was granted in 1981 and the most recent in January 2019. Shigeru Kikuchi ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Shigeru Kikuchi in Tokyo, JP.

Patents per Year

Patents granted per year, 1981 to 2019Bar chart with a peak of 2 patents in 1999.peak 21981: 1 patents19811993: 1 patents1996: 1 patents19961998: 1 patents1999: 2 patents19992001: 1 patents2002: 1 patents20022004: 2 patents2007: 1 patents20072010: 2 patents2012: 1 patents20122013: 2 patents2019: 1 patents2019

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10177069 Heat-dissipating structure and semiconductor module using same Takashi Naito, Motomune Kodama, Takuya Aoyagi, Takashi Nogawa, Mutsuhiro Mori +6 more 2019-01-08
8518508 Highly-durable tube usable for movement unit for rotation, flexion, and the like and method for producing the same Akira Kato, Kinji Hosoya, Teruyuki Hosoya 2013-08-27 $1,573,000
8426754 Electrical contact for vacuum valve Satoru Kajiwara, Masato Kobayashi, Misuk Yamazaki 2013-04-23
8294057 Electrode for switch and vacuum switch, and method of manufacturing electrode for switch or vacuum switch Miki Yamazaki, Kenji Tsuchiya, Ayumu Morita, Masato Kobayashi, Shuichi Kikukawa 2012-10-23
7704449 Electrode, electrical contact and method of manufacturing the same Masato Kobayashi, Kenji Tsuchiya, Noboru Baba 2010-04-27 $84,000
7662208 Electrical contacts for vacuum circuit breakers and methods of manufacturing the same Ayumu Morita, Masato Kobayashi, Satoru Kajiwara, Noboru Baba 2010-02-16 $54,000
7230304 Electric contacts and method of manufacturing thereof, and vacuum interrupter and vacuum circuit breaker using thereof Masato Kobayashi, Kenji Tsuchiya, Noboru Baba, Takashi Sato 2007-06-12 $194,000
6765167 Electric contact member and production method thereof Masaya Takahashi, Noboru Baba, Masato Kobayashi, Yoshitomo Goto, Yasuaki Suzuki +1 more 2004-07-20 $267,000
6753494 Sintered body and electrode, method for surface densitication of these, process for manufacturing electrode by this method and circuit breaker Yohei Asakawa, Hideaki Onozuka, Motohiro Kikuchi, Yoshio Koguchi, Masato Kobayashi +1 more 2004-06-22 $211,000
6437275 Vacuum circuit-breaker, vacuum bulb for use therein, and electrodes thereof Masato Kobayashi, Katsuhiro Komuro, Toru Tanimizu, Yoshimi Hakamata, Kathumi Kuroda +2 more 2002-08-20 $103,000
6248969 Vacuum circuit breaker, and vacuum bulb and vacuum bulb electrode used therefor Katsuhiro Komuro, Yoshitaka Kojima, Noboru Baba, Ryo Hiraga, Toru Tanimizu +3 more 2001-06-19 $413,000
5971609 Method of measuring the dew point or frost point of a gas having low water content Takahiko Kijima, Akira Makihara, Hiroshi Nakamura, Shigeki Hayashi 1999-10-26
5876659 Process for producing fiber reinforced composite Yoshiyuki Yasutomi, Yukio Saito, Kunihiro Maeda 1999-03-02 $267,000
5736198 Self-recoverable covering material and method for fabricating the same Yoshiyuki Yasutomi, Yukio Saito, Mitsuo Nakagawa, Motoyuki Miyata 1998-04-07 $156,000
5581039 Ceramic body and method and apparatus for detecting change thereof Yoshiyuki Yasutomi, Motoyuki Miyata, Yukio Saito 1996-12-03 $68,000
5182075 Nuclear fusion reactor Yoshitaka Gotoh, Tetsuo Nakazawa, Tadahiko Miyoshi, Tetsuo Oyama, Yoshihiro Ozawa +1 more 1993-01-26 $47,000
4307067 Process for deodorizing exhaust gas containing smelly components Taichi Tagawa, Jinji Tani, Shingo Tominaga, Shigeru Suzuki 1981-12-22