Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Naoki Nishiyama — 32 Patents

Sumitomo Electric Industries: 15 patents #1,596 of 21,551Top 8%
TKToshiba Tec Kabushiki Kaisha: 6 patents #475 of 1,664Top 30%
KSKawasaki Steel: 3 patents #381 of 1,922Top 20%
JSJfe Steel: 3 patents #450 of 1,401Top 35%
FCFurukawa Electric Co.: 2 patents #862 of 2,370Top 40%
SYSysmex: 2 patents #337 of 868Top 40%
ICIhi Rotating Machinery Engineering Co.: 1 patents #2 of 20Top 10%
FCFurukawa Aluminum Co.: 1 patents #19 of 68Top 30%
GCGreat Computer: 1 patents #11 of 21Top 55%
VJVictor Company Of Japan: 1 patents #818 of 1,489Top 55%
KCKatsuragawa Electric Co.: 1 patents #2 of 8Top 25%
Kobe, JP: #169 of 5,515 inventorsTop 4%
Overall (All Time): #110,428 of 4,157,543Top 3%
32 Patents All Time
Naoki Nishiyama has been granted 32 US patents while listed as an inventor at Sumitomo Electric Industries. The first was granted in 1995 and the most recent in June 2025. Naoki Nishiyama ranks #110,428 of 4,157,543 US inventors in our database (top 2.7%). Patent records list Naoki Nishiyama in Kobe, JP.

Patents per Year

Patents granted per year, 1995 to 2025Bar chart with a peak of 4 patents in 2019.peak 41995: 1 patents19951996: 2 patents1997: 2 patents19971998: 1 patents2000: 1 patents20002001: 2 patents2005: 2 patents20052007: 1 patents2008: 2 patents20082009: 2 patents2010: 3 patents20102014: 1 patents2015: 1 patents20152016: 1 patents2018: 1 patents20182019: 4 patents2020: 3 patents20202021: 1 patents2025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12320809 Method for measuring viral antigen in sample, antibody set, and reagent kit Keiko Higuchi, Megumi Goto, Nobuyuki Ide 2025-06-03
11165855 Content distribution system Keiichi Hasegawa, Yasuhiro Arai, Tohru Okada 2021-11-02
10851403 Cyclin-dependent kinase substrate Noriko Yokose, Masatoshi SUGANUMA, Kenta Noda 2020-12-01
10645151 Content distribution system Keiichi Hasegawa, Yasuhiro Arai, Tohru Okada 2020-05-05
10560585 Server network and method for determining an amount of exposure of an image attached to receipts Keiichi Hasegawa, Yasuhiro Arai, Tohru Okada 2020-02-11
10312385 Solar cell substrate made of stainless steel foil and method for manufacturing the same Yasuhiro Yamaguchi, Atsutaka Honda, Tokio Nakada 2019-06-04
10237337 Content distribution system Keiichi Hasegawa, Yasuhiro Arai, Tohru Okada 2019-03-19
10202980 Centrifugal compressor apparatus and method for preventing surge therein Tsuneo Koki, Yuji Echizen, Takashi Oyabu, Tomonori Seki, Masashi Moriguchi 2019-02-12
10178244 Server network and method for determining an amount of exposure of an image attached to receipts Keiichi Hasegawa, Yasuhiro Arai, Tohru Okada 2019-01-08
10069982 Content distribution server Keiichi Hasegawa, Yasuhiro Arai, Tohru Okada 2018-09-04
9234680 Solar light reflecting plate and light collecting/heat collecting device Kazumichi Sashi, Takahiko Oshige, Yoshihito Sakamoto 2016-01-12
9130199 Stainless steel for fuel cell having good corrosion resistance and method for producing the same Shinsuke Ide, Tomohiro Ishii, Shin Ishikawa, Takumi Ujiro, Noriko Makiishi 2015-09-08
8708478 Method for printing on a shiny surface by a UV inkjet printer with transparency and high color density Takashi Kobayashi, Chi-Hua Yen, Chen-Chien TSAI 2014-04-29
7837398 Optical module having a block with feedthrough pins Shunsuke Sato 2010-11-23
7755189 Metal cap with ringed projection to be welded to stem and ringed groove provided immediately inside of ringed projection and optical device having the same 2010-07-13
7711021 Laser driver circuit able to compensate a temperature dependence of the laser diode 2010-05-04
7620332 Optical receiving unit reducing cross talk between optical transmitting unit and optical transmitting/receiving apparatus installing the same 2009-11-17 $613,000
7570680 Laser diode driver with multiple modulation current source 2009-08-04 $1,791,000
7358818 Optical receiver for an optical communication Katsumi Uesaka 2008-04-15 $1,245,000
7332702 Optical receiver and a method for manufacturing the same 2008-02-19 $981,000
7211780 Light receiving circuit using avalanche photodiode with a controlled voltage divider 2007-05-01 $1,058,000
6974263 Optical data link Shunsuke Sato 2005-12-13 $625,000
6894903 Optical data link Shunsuke Sato 2005-05-17 $586,000
6333804 Optical module for receiving optical signal from optical fiber Mitsuaki Nishie 2001-12-25
6188059 Photocurrent monitor circuit and optical receiver Satoshi Takahashi, Mitsuaki Nishie 2001-02-13