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

Tomoyuki Kondo

CHChisso: 37 patents #14 of 833Top 2%
MAMakita: 27 patents #28 of 770Top 4%
SSSumitomo Wiring Systems: 21 patents #154 of 2,615Top 6%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
ATAutonetworks Technologies: 4 patents #382 of 1,079Top 40%
CPChisso Petrochemical: 3 patents #40 of 139Top 30%
SESeiko Epson: 2 patents #4,555 of 7,774Top 60%
SCStar Micronics Co.: 2 patents #49 of 149Top 35%
KTKabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Overall (All Time): #17,839 of 4,157,543Top 1%
90 Patents All Time

Issued Patents All Time

Showing 76–90 of 90 patents

Patent #TitleCo-InventorsDate
5874022 Liquid crystal composition and liquid crystal display device Yasuhiro Kubo, Fusayuki Takeshita, Tetsuya Matsushita, Etsuo Nakagawa 1999-02-23
5858275 Chlorobenzene derivative and liquid crystal composition containing the same Shuichi Matsui, Kazutoshi Miyazawa, Yasuyuki Goto, Etsuo Nakagawa, Shinichi Sawada 1999-01-12
5855814 Liquid crystal compositions and liquid crystal display elements Shuichi Matsui, Kazutoshi Miyazawa, Noriyuki Ohnishi, Yasuyuki Goto, Etsuo Nakagawa +1 more 1999-01-05
5820784 Liquid crystal compostion and liquid crystal display device Shuichi Matsui, Yasuyuki Koizumi, Koichi Shibata, Yasuhiro Haseba, Norihisa Hachiya +2 more 1998-10-13
5779936 Liquid crystalline compound and liquid crystal composition containing the same Kazutoshi Miyazawa, Shuichi Matsui, Atsuko Fujita, Yasuyuki Goto, Etsuo Nakagawa +1 more 1998-07-14
5755994 Ester derivative, liquid crystal composition and liquid crystal display element Shuichi Matsui, Yasuyuki Koizumi, Koichi Shibata, Yasuhiro Haseba, Norihisa Hachiya +2 more 1998-05-26
5733477 Liquid crystal composition and liquid crystal display element Yasuhiro Haseba, Yasuyuki Koizumi, Kazutoshi Miyazawa, Norihisa Hachiya, Etsuo Nakagawa 1998-03-31
5720899 Liquid crystalline compound, liquid crystal composition and liquid crystal display element Kazutoshi Miyazawa, Atsuko Fujita, Noriyuki Ohnishi, Yasuyuki Goto, Etsuo Nakagawa +1 more 1998-02-24
5702641 Liquid crystalline compound containing fluorine atom substituted alkyl group(s) and a liquid crystal composition Yasuhiro Haseba, Kazutoshi Miyazawa, Shuichi Matsui, Yasuyuki Goto, Etsuo Nakagawa +1 more 1997-12-30
5653911 Liquid crystalline compound liquid crystal composition and liquid crystal display element Kazutoshi Miyazawa, Atsuko Fujita, Noriyuki Ohnishi, Yasuyuki Goto, Etsuo Nakagawa +1 more 1997-08-05
5641432 Dicyclohexylethylene derivative Noriyuki Ohnishi, Shuichi Matsui, Yasuyuki Goto 1997-06-24
5382379 Cyclohexane derivative Yuichi Onji, Makoto Ushioda, Shuichi Matsui, Yasuyuki Goto 1995-01-17
5370819 Conjugated enyne derivative and liquid crystal composition Atsuko Fujita, Yuichi Onji, Shuichi Matsui, Yasuyuki Goto, Naoko Ota +2 more 1994-12-06
5370822 2-fluorobenzonitrile derivative Shuichi Matsui, Yuichi Onji, Atsuko Fujita, Yasuyuki Goto 1994-12-06
5369252 Cooking appliance and method with a light sensor 1994-11-29