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 1–25 of 34 patents

Patent #TitleCo-InventorsDate
11708679 CLT structure 2023-07-25
10756372 Proton conductor and fuel cell Yutaka Kazoe, Yuriy Pihosh, Kazuma Mawatari, Takehiko Kitamori, Kenji Kitamura +2 more 2020-08-25
10297538 Signal transmission apparatus including semiconductor chips and signal isolator Shuichi Nagai, Songbaek CHOE 2019-05-21
10153765 Signal generation device Shuichi Nagai, Yasufumi Kawai 2018-12-11
9634655 Drive device having first and second switching devices with different gate widths Shuichi Nagai 2017-04-25
9490797 Drive device Hideaki Fujiwara, Shuichi Nagai, Yasufumi Kawai 2016-11-08
9439285 Device mounting board and semiconductor power module Keishi Kato, Yoshio Okayama, Ryosuke Usui 2016-09-06
9287910 Electromagnetic resonance coupler and transmission apparatus Hideaki Fujiwara, Shuichi Nagai 2016-03-15
8173568 Process for producing tertiary amine Toru Nishimura, Shoji Hasegawa, Kunio Matsui 2012-05-08
7579508 Process for producing alcohol Toru Sakamoto, Hideaki Ueoka 2009-08-25
7355640 Image capturing device Tatsuya Takahashi, Tohru Watanabe 2008-04-08
7271275 Process for producing a fatty acid ester Takanobu Katayama, Nobuhiro Tatsumi 2007-09-18
7235701 Process for producing aldehyde Shoji Hasegawa, Toru Nishimura 2007-06-26
7193097 Method of producing a fatty acid ester Nobuhiro Tatsumi, Takanobu Katayama 2007-03-20
6946437 Process for removing solvent from anionic surfactant, and anionic surfactant powder produced thereby Kazunori Aizawa, Kazuhito Miyoshi 2005-09-20
6694503 Processing device and method of processing material with ultraviolet light or light of shorter wavelength than ultraviolet light Jun Minakuti, Koji Yamamoto 2004-02-17
6509487 Process for producing lower alkyl fatty esters Nobuhiro Tatsumi, Takanobu Katayama, Taku Mimura, Noriaki Fukuoka, Katsutoshi Yamamoto 2003-01-21
6372927 Process for preparing alkylene oxide adducts Nobuhiro Tatsumi, Yoshikazu Ogura, Takanobu Katayama 2002-04-16
6331645 Process for preparing powdery alkyl sulfates Futoshi Nishigaki 2001-12-18
6049013 Method for producing alcohol Hideaki Ueoka, Tohru Sakamoto 2000-04-11
6002054 Method for producing alcohol Hideaki Ueoka, Futoshi Nishigaki 1999-12-14
5875172 Automatic transmission network restoring system 1999-02-23
5658843 Method for preparing copper-containing hydrogenation reaction catalyst and method for producing alcohol Kiyoshi Tsukada, Yasuyuki Hattori, Taku Mimura, Futoshi Nishigaki 1997-08-19
5586112 Digital crossconnect system for selecting alternate communication routes in case of a transmission fault 1996-12-17
5291534 Capacitive sensing device Shizuki Sakurai, Tomio Nagata, Shiro Kuwahara, Susumu Sugiyama 1994-03-01