Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Nobuo Machida — 38 Patents

RERenesas Electronics: 21 patents #93 of 4,529Top 3%
HSHitachi Tohbu Semiconductor: 10 patents #6 of 223Top 3%
RTRenesas Technology: 9 patents #297 of 3,337Top 9%
HCHitachi Ulsi Systems Co.: 8 patents #82 of 867Top 10%
Hitachi: 4 patents #8,948 of 28,497Top 35%
RSRenesas Eastern Japan Semiconductor: 2 patents #10 of 82Top 15%
SKSumitomo Kinzoku Kogyo Kabushiki Kaisha: 1 patents #14 of 53Top 30%
Takasaki, JP: #17 of 616 inventorsTop 3%
Overall (All Time): #84,675 of 4,157,543Top 3%
38 Patents All Time
Nobuo Machida has been granted 38 US patents while listed as an inventor at Renesas Electronics. The first was granted in 1982 and the most recent in November 2025. Nobuo Machida ranks #84,675 of 4,157,543 US inventors in our database (top 2.0%). Patent records list Nobuo Machida in Takasaki, JP.

Issued Patents All Time

Showing 1–25 of 38 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12482729 Semiconductor device Kohei Sasaki 2025-11-25
11769841 Junction barrier Schottky diode device and method for fabricating the same Wen-Tsung Chang, Wen-Chin Wu 2023-09-26
11646382 Junction barrier Schottky diode device and method for fabricating the same Wen-Tsung Chang, Wen-Chin Wu 2023-05-09
11489047 Semiconductor device and method of manufacturing the same Yasuhiro Okamoto 2022-11-01
11276784 Semiconductor device Yasuhiro Okamoto, Kenichi HISADA 2022-03-15
10896980 Semiconductor device Yasuhiro Okamoto, Kenichi HISADA 2021-01-19
9793342 Insulated gate type semiconductor device and method for fabricating the same Hiroshi Inagawa, Kentaro Oishi 2017-10-17
9614055 Semiconductor device and method for fabricating the same Hiroshi Inagawa, Kentaro Ooishi 2017-04-04
9543395 Normally-off power JFET and manufacturing method thereof Koichi Arai, Yasuaki Kagotoshi, Natsuki Yokoyama, Haruka Shimizu 2017-01-10
9246000 Insulated gate type semiconductor device and method for fabricating the same Hiroshi Inagawa, Kentaro Oishi 2016-01-26
9041049 Power JFET Koichi Arai, Yasuaki Kagotoshi, Natsuki Yokoyama, Haruka Shimizu 2015-05-26
8987810 Semiconductor device and method for fabricating the same Hiroshi Inagawa, Kentaro Ooishi 2015-03-24
8704291 Semiconductor device and method for fabricating the same Hiroshi Inagawa, Kentaro Ooishi 2014-04-22
8642401 Insulated gate type semiconductor device and method for fabricating the same Hiroshi Inagawa, Kentaro Oishi 2014-02-04
8569132 Semiconductor device and manufacturing method thereof Koichi Arai 2013-10-29
8524552 Normally-off power JFET and manufacturing method thereof Koichi Arai, Yasuaki Kagotoshi, Natsuki Yokoyama, Haruka Shimizu 2013-09-03
8378413 Semiconductor device and method for fabricating the same Hiroshi Inagawa, Kentaro Ooishi 2013-02-19
8377775 Insulated gate type semiconductor device and method for fabricating the same Hiroshi Inagawa, Kentaro Oishi 2013-02-19
8278708 Insulated gate type semiconductor device and method for fabricating the same Hiroshi Inagawa, Kentaro Oishi 2012-10-02
8168498 Insulated gate type semiconductor device and method for fabricating the same Hiroshi Inagawa, Kentaro Oishi 2012-05-01
8148224 Insulated gate type semiconductor device and method for fabricating the same Hiroshi Inagawa, Kentaro Oishi 2012-04-03 $116,000
7910990 Insulated gate type semiconductor device and method for fabricating the same Hiroshi Inagawa, Kentaro Oishi 2011-03-22 $96,000
7910985 Semiconductor device and method for fabricating the same Hiroshi Inagawa, Kentaro Ooishi 2011-03-22
7843001 Insulated gate type semiconductor device and method for fabricating the same Hiroshi Inagawa, Kentaro Oishi 2010-11-30 $134,000
7585732 Insulated gate type semiconductor device and method for fabricating the same Hiroshi Inagawa, Kentaro Oishi 2009-09-08 $89,000