Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
TO

Takuya Oka — 29 Patents

Canon: 13 patents #5,080 of 19,416Top 30%
Panasonic: 6 patents #4,438 of 21,108Top 25%
UIUbe Industries: 4 patents #315 of 1,686Top 20%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
ONOnkyo: 1 patents #80 of 170Top 50%
Overall (All Time): #128,172 of 4,157,543Top 4%
29 Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
8557195 Sensor substrate and array substrate using the same Masaya Nakatani, Makoto Takahashi 2013-10-15
6772953 Contactless data carrier Keiichi Iiyama, Takashi Noda, Shinji Murakami, Yutaka Harada, Masaru Tanichi 2004-08-10
5969332 System for issuing and utilizing ticket Masaaki Ueda, Shigeo Aoki 1999-10-19
5691525 Data transfer system and data transfer terminal device Shigeo Aoki, Yukihiko Kimura 1997-11-25