HH

Hiroyuki Hirai

Fujitsu Limited: 84 patents #67 of 24,456Top 1%
FU Fujifilm: 9 patents #988 of 4,519Top 25%
Dai Nippon Printing Co.: 6 patents #392 of 2,222Top 20%
AC Asahi Glass Co.: 5 patents #403 of 2,251Top 20%
XP Xerox International Partners: 3 patents #4 of 9Top 45%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
DC Dainippon Screen Mfg. Co.: 1 patents #531 of 977Top 55%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
UM University of Minnesota: 1 patents #1,216 of 2,951Top 45%
BM Bml: 1 patents #13 of 15Top 90%
📍 Sunnyvale, CA: #69 of 14,302 inventorsTop 1%
🗺 California: #1,669 of 386,348 inventorsTop 1%
Overall (All Time): #10,723 of 4,157,543Top 1%
116
Patents All Time

Issued Patents All Time

Showing 101–116 of 116 patents

Patent #TitleCo-InventorsDate
4622289 Heat-developable light-sensitive material with base precursor Kozo Sato 1986-11-11
4619888 Heat developable light-sensitive material Ken Kawata, Yoshiharu Yabuki, Kouzou Sato 1986-10-28
4603103 Heat-developable light-sensitive materials Kozo Sato, Hiroshi Hara 1986-07-29
4595652 Heat-developable light-sensitive material with polymeric base precursor Taku Nakamura, Akira Hibino 1986-06-17
4590154 Heat developable color photographic light-sensitive material containing sulfonamide Yoshiharu Yabuki, Masashi Takeuchi, Toshiaki Aono 1986-05-20
4560763 Base precursor for heat-developable photosensitive material Kozo Sato 1985-12-24
4529687 Method to form color image Koichi Nakamura 1985-07-16
4514493 Heat-developable light-sensitive material with base precursor particles Kozo Sato, Ken Kawata 1985-04-30
4511650 Heat developable color light-sensitive materials with base releasors Ken Kawata 1985-04-16
4499180 Heat-developable color photographic materials with base precursor Ken Kawata 1985-02-12
4499172 Heat-developable color light-sensitive material with alkyl carboxylic acid base precursor containing triple bond Kozo Sato 1985-02-12
4473631 Heat-developable color photographic material Hideki Naito, Hiroshi Hara, Kozo Sato 1984-09-25
4469780 Color image forming process Koichi Nakamura, Haruhiko Iwano 1984-09-04
4414305 Image-forming method Koichi Nakamura 1983-11-08
4283266 Method and apparatus for controlling halogen ion concentration in a photographic processing solution Sachio Matsushita, Isao Tsuyuki, Kazumi Watase 1981-08-11
4207157 Method for controlling halogen ion concentration in a photographic processing solution Sachio Matsushita, Isao Tsuyuki, Kazumi Watase 1980-06-10