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

Hitoshi Taniguchi — 77 Patents

Hitachi: 18 patents #2,067 of 28,497Top 8%
Pioneer Electronic: 11 patents #118 of 1,840Top 7%
Pioneer: 10 patents #148 of 1,730Top 9%
Sony: 9 patents #4,874 of 25,231Top 20%
FHFuji Oil Holdings: 7 patents #16 of 368Top 5%
BGBasf Coatings Gmbh: 5 patents #81 of 799Top 15%
HDHitachi Displays: 4 patents #236 of 752Top 35%
Mitsubishi Electric: 4 patents #7,099 of 25,717Top 30%
NDNitto Denko: 4 patents #785 of 2,479Top 35%
IIIwatani International: 2 patents #1 of 26Top 4%
IKIwatani Sangyo Kabushiki Kaisha: 2 patents #4 of 38Top 15%
BJBasf Coatings Japan: 2 patents #7 of 34Top 25%
HCHitachi Electronic Devices Co.: 2 patents #32 of 92Top 35%
ITIps Alpha Technology: 2 patents #4 of 27Top 15%
BFBasf Lacke & Farben: 2 patents #73 of 254Top 30%
PPPioneer Display Products: 2 patents #16 of 71Top 25%
OCOkura Industrial Co.: 1 patents #18 of 51Top 40%
SPShizuoka Pioneer: 1 patents #11 of 21Top 55%
HMHosokawa Micron: 1 patents #11 of 56Top 20%
BJBasf Japan: 1 patents #3 of 37Top 9%
NCNippon Oil & Fats Co.: 1 patents #173 of 409Top 45%
MPMitsubishi Power: 1 patents #176 of 508Top 35%
Yokohama, MI: #8 of 57 inventorsTop 15%
Overall (All Time): #24,426 of 4,157,543Top 1%
77 Patents All Time

Issued Patents All Time

Showing 51–75 of 77 patents

Patent #TitleCo-InventorsDate
6127479 Water-dispersible acrylic based graft copolymers, a method for making them and water-based paints thereof Yoshiaki Matsukura, Atsuhiro Sakai, Yoshiaki Kawamura 2000-10-03
6099134 Liquid crystal display device Yasuo Hira, Yuji Mori 2000-08-08
D426662 Portable gas lantern Hiroaki Hasegawa 2000-06-13
5961198 Liquid crystal display device and method of manufacturing backlighting light guide panel therefor Yasuo Hira, Yuji Mori, Yoshie Kodera 1999-10-05
5942570 Water-based paint composition Yoshiaki Matsukura, Atsuhiro Sakai, Yoshiaki Kawamura 1999-08-24
5856408 Water dispersible acrylic based graft copolymers, a method of manufacture and aqueous paints Yoshiaki Matsukura, Atsuhiro Sakai, Yoshiaki Kawamura 1999-01-05
5786033 Method of forming multi-layer paint films, base coat composition and method of painting Achim Gast, Kazuki Shiomi 1998-07-28
5508143 Optical recording medium Fumio Matsui 1996-04-16
5436885 Optical disc and optical system for reproducing the optical disc Yoichi Okumura, Tetsuya Iida 1995-07-25
5432048 Rewritable photochromic optical disc Fumio Matsui 1995-07-11
5425015 Photochromic recording with a recording and erasing temperature higher than a reproduction temperature Fumio Matsui 1995-06-13
5284691 Optical recording medium and method of reproducing information record on the optical recording medium Fumio Matsui 1994-02-08
5252371 Rewritable photochromic optical disk Fumio Matsui, Tsuneki Okazaki, Masaaki Hayami 1993-10-12
5241436 Magnetic disc drive apparatus Tomoki Kawabata, Toru Tanaka 1993-08-31
5235582 Photochromic optical disk read/write apparatus which prevents deterioration of the stored information during tracking and reading Satoru Tanaka 1993-08-10
5215868 Method for recording information via photo-recording medium Fumio Matsui 1993-06-01
5202364 Aqueous dispersion coating material containing epoxy denatured alkyd Masahiro Ishidoya, Ken Nakashima, Hisao Ogawa 1993-04-13
5183726 Light-sensitive recording medium and process for producing same Fumio Matsui 1993-02-02
5034924 Static random access memory device with pull-down control circuit Keisuke Ishio 1991-07-23
5023104 Defatted soybeans and soybean protein obtained from the same Shinichiro NAGATOMO, Masahiko Terashima 1991-06-11
4949308 Static random access memory having a flash clear function Shigeo Araki, Hiroyuki Suzuki, Takaaki Komatsu 1990-08-14
4771126 Method for fractionation of vegetable proteins by reduction Motohiko Hirotsuka, Masahiko Terashima 1988-09-13
4702927 Method for drying water retentive substance Motohiko Hirotsuka, Tetsuro Harada, Nobuhiro Ohtsubo, Hiroyuki Kawade, Yoshiyuki Hayakawa 1987-10-27
4608203 Process for producing soybean protein powder using a fluidized bed Takeshi Akasaka, Masahiko Terashima, Hiroyuki Kawade 1986-08-26
4379084 Protein material and method for the manufacture thereof Susumu Teranishi, Yoichi Kawasaki, Tsutomu Katayama 1983-04-05