Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ryosuke Maruyama — 7 Patents

Denso: 4 patents #3,129 of 11,792Top 30%
Toyota: 4 patents #6,797 of 26,838Top 30%
Panasonic: 3 patents #7,659 of 21,108Top 40%
AIAisin: 1 patents #310 of 1,000Top 35%
ACAisin Aw Co.: 1 patents #1,133 of 2,011Top 60%
Hirakata, JP: #348 of 1,801 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Ryosuke Maruyama has been granted 7 US patents while listed as an inventor at Denso. The first was granted in 1992 and the most recent in December 2024. Ryosuke Maruyama ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Ryosuke Maruyama in Hirakata, JP.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12176771 Conductor wire insulating film separating method Hideharu USHIDA, Tetsuya Matsubara, Hiroyuki Ono, Toshiro Nakamura, Yasuhiro MAKIDO +2 more 2024-12-24
11801547 Conveyer Takeshi Kurosawa, Kazuhiko Fukuda, Hiroaki Takeda, Toshiro Nakamura, Tadashi Fujiyoshi +2 more 2023-10-31
11658532 Stator and method of producing the same Hiroaki Takeda, Yasuhiro MAKIDO, Toshiro Nakamura, Ken Shirai 2023-05-23
11387718 Method of removing coating layer of coil wiring Ken Shirai, Yasuyuki Hirao, Masashi Matsumoto, Hiroaki Takeda 2022-07-12 $623,000
6066921 Discharge lamp lighting device Toshiaki Nakamura, Nobuo Kato, Hideki Hamada 2000-05-23 $391,000
6007015 Edgewise winding system for thin, flat-type conductor wire Kazuhiko Kinutani, Yoshihiro Nakano 1999-12-28 $281,000
5160877 Multiple degree-of-freedom positioning device Shigeki Fujiwara 1992-11-03 $34,000