HS

Hiroshi Sugiyama

Canon: 19 patents #3,464 of 19,416Top 20%
TI Takasago International: 17 patents #17 of 465Top 4%
KT Kabushiki Kaisha Toshiba: 11 patents #2,779 of 21,451Top 15%
JA Jasco: 6 patents #7 of 125Top 6%
JT Japan Science And Technology: 5 patents #20 of 836Top 3%
CP Chugai Pharmaceutical: 5 patents #198 of 1,238Top 20%
PA Panasonic: 4 patents #6,180 of 21,108Top 30%
IC Ikeda Bussan Co.: 4 patents #34 of 235Top 15%
SK Saint-Gobain Tm K.K.: 4 patents #2 of 8Top 25%
CP Chiba Prefecture: 3 patents #2 of 20Top 10%
JA Japan Science And Technology Agency: 3 patents #235 of 2,171Top 15%
KU Kyoto University: 3 patents #177 of 1,688Top 15%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
NU Nihon University: 2 patents #10 of 233Top 5%
MC Minolta Co.: 1 patents #942 of 1,416Top 70%
NT NTT: 1 patents #2,911 of 4,871Top 60%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
NJ Nuvoton Technology Corporation Japan: 1 patents #117 of 222Top 55%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
SL Semiconductor Energy Laboratory: 1 patents #942 of 1,113Top 85%
SU Sogang University: 1 patents #99 of 303Top 35%
DC Dai-Ichi Kogyo Seiyaku Co.: 1 patents #153 of 288Top 55%
HO High Energy Acceleration Research Organization: 1 patents #5 of 25Top 20%
TC Toagosei Co.: 1 patents #155 of 338Top 50%
TL Tokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
TK Toshiba Kikai: 1 patents #381 of 713Top 55%
WARF: 1 patents #1,912 of 4,123Top 50%
JA Jatco: 1 patents #458 of 871Top 55%
KU Kent State University: 1 patents #128 of 294Top 45%
IC Idemitsu Kosan Co.: 1 patents #699 of 1,237Top 60%
KC Kyushu Refractories Co.: 1 patents #11 of 38Top 30%
📍 Tokyo, WI: #2 of 13 inventorsTop 20%
Overall (All Time): #12,868 of 4,157,543Top 1%
106
Patents All Time

Issued Patents All Time

Showing 76–100 of 106 patents

Patent #TitleCo-InventorsDate
5736284 Carbazole derivative charge transporting material using the same and electrophotographic photoreceptor Tohru Kobayashi, Yoshimasa Matsushima, Toshimitsu Hagiwara 1998-04-07
5589858 Information recording apparatus Hidejiro Kadowaki, Yasuhiko Ishida, Makoto Takamiya 1996-12-31
5573878 Triphenylamine derivative, charge-transporting material comprising the same, and electrophotographic photoreceptor Toshimitsu Hagiwara, Yoshimasa Matsushima, Tohru Kobayashi 1996-11-12
5567560 Triphenylamine derivative charge-transporting material containing electrophotographic photoreceptor Toshimitsu Hagiwara, Yoshimasa Matsushima, Tohru Kobayashi 1996-10-22
5521042 1,4-bis(2',2'-diphenylvinyl)benzene derivative and charge transporting material and electrophotographic photoreceptor using the same Yoshimasa Matsushima, Toshimitsu Hagiwara 1996-05-28
5517222 Ink jet recording apparatus having rotary drum with ink receptor Kousuke Yamamoto, Yoshitaka Okamura, Jun Ashiwa 1996-05-14
5485187 Ink-jet recording apparatus having improved recovery device Yoshitaka Okamura, Kousuke Yamamoto 1996-01-16
5454976 Ferroelectric liquid crystal composition and liquid crystal display device using the same Misao Yagi, Hitoshi Kondo, Mika Tadokoro, Hiroko Konuma, Toshimitsu Hagiwara 1995-10-03
5290477 Optically active compound and liquid crystal composition containing the same Hitoshi Kondo, Mika Tadokoro, Toshimitsu Hagiwara, Takashi Imai, Mamoru Yamada +1 more 1994-03-01
5275756 Fluorine-containing optically active compound and liquid crystal composition containing the same Akio Yamaguchi, Shigeru Mitsuhashi, Mamoru Yamada, Minzo Sakaguchi, Hiroko Konuma +2 more 1994-01-04
5272512 Displacement information detection apparatus Hidejiro Kadowaki, Yasuhiko Ishida, Makoto Takamiya 1993-12-21
5256885 Doppler velocimeter having a diffraction grating and dual lens groups with identical focal distances Makoto Takamiya, Hidejiro Kadowaki, Yasuhiko Ishida 1993-10-26
5229830 Doppler velocimeter Yasuhiko Ishida, Makoto Takamiya, Hidejiro Kadowaki 1993-07-20
5216478 Doppler velocity meter Hidejiro Kadowaki, Ken Tsuchii, Makoto Takamiya, Kosuke Yamamoto, Masafumi Wataya +3 more 1993-06-01
5194745 Doppler velocimeter Makoto Takamiya, Yasuhiko Ishida, Hidejiro Kadowaki, Ken Tsuchii, Kosuke Yamamoto 1993-03-16
5179418 Doppler velocimeter and apparatus using the same Makoto Takamiya, Yasuhiko Ishida, Hidejiro Kadowaki 1993-01-12
4992805 Image recording apparatus Atsutomo Yoshizawa, Nobuyuki Watanabe 1991-02-12
4935680 Headrest control system for motor vehicle 1990-06-19
4882597 liquid jet recording apparatus having separate motors for driving a liquid head and a liquid reservoir 1989-11-21
4881186 Apparatus for measuring injection speed of die cast machines Hiroyuki Tsuboi 1989-11-14
4836608 Reclining device of seat 1989-06-06
4797824 Automatic headrest positioning apparatus for seat of motor vehicles Mikio Fujiwara, Chikamasa Ikeda 1989-01-10
4770552 Printing apparatus for accentuating the outline portion of a printed character Takeo Nishijima, Kazuhide Takahama 1988-09-13
4700238 Copying apparatus 1987-10-13
4675587 Control circuit for electric reclining seat 1987-06-23