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

Osamu Tabata — 34 Patents

KAKao: 16 patents #83 of 3,221Top 3%
Panasonic: 6 patents #4,438 of 21,108Top 25%
TLToyota Central R&D Labs: 3 patents #379 of 1,657Top 25%
Nec: 2 patents #5,510 of 14,502Top 40%
MCMinolta Co.: 1 patents #942 of 1,416Top 70%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
CPChugoku Marine Paints: 1 patents #25 of 59Top 45%
SCSanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
SHSekisui House: 1 patents #32 of 79Top 45%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
ATAgency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
TKToyoda Koki Kabushiki Kaisha: 1 patents #307 of 674Top 50%
JAJapan Science And Technology Agency: 1 patents #756 of 2,171Top 35%
Osaka, JP: #118 of 258 inventorsTop 50%
Overall (All Time): #102,370 of 4,157,543Top 3%
34 Patents All Time

Issued Patents All Time

Showing 26–34 of 34 patents

Patent #TitleCo-InventorsDate
5250713 Process for producing desulfurized fats and oils or fatty acid esters and process for producing alcohols by using said desulfurized fats and oils or fatty acid esters Hiroyuki Tamura, Yasuyuki Hattori, Kunizo Hashiba, Kiyoshi Tsukada, Noriaki Fukuoka 1993-10-05
5233100 Process for producing alcohol Atsuhito Mori, Takahiro Kawakami, Kunizo Hashiba, Kiyoshi Tsukada 1993-08-03
5233099 Process for producing alcohol Kunizo Hashiba, Takahiro Kawakami 1993-08-03
5163329 Semiconductor pressure sensor Keiichi Shimaoka, Susumu Sugiyama 1992-11-17
5120885 Process for producing alcohol Kiyoshi Tsukada, Yasuyuki Hattori, Hiroyuki Tamura, Akira Yamamuro, Kunizo Hashiba 1992-06-09
4859496 Method of producing an electrically-conductive transparent film Yufuko Toyonaga, Suzushi Kimura, Masaaki Ueda, Saburo Kimura 1989-08-22
4680963 Semiconductor flow velocity sensor Hazime Inagaki, Tomoyuki Kitano 1987-07-21
4310567 Method for chemical vapor deposition Mitoshi Waseda 1982-01-12
4251839 Floating head device Hiroshi Yamamoto, Shigehisa Suzuki 1981-02-17