HO

Hiroshi Okamoto

Sumitomo Electric Industries: 18 patents #1,247 of 21,551Top 6%
HI Hitachi: 12 patents #3,472 of 28,497Top 15%
FI Fujifilm Business Innovation: 11 patents #1,029 of 1,659Top 65%
JT Japan Tobacco: 11 patents #35 of 1,187Top 3%
TO Toyota: 10 patents #2,889 of 26,838Top 15%
MI Minolta: 10 patents #190 of 1,109Top 20%
PA Panasonic: 9 patents #2,933 of 21,108Top 15%
Fujitsu Limited: 9 patents #3,538 of 24,456Top 15%
DC Dainippon Screen Mfg. Co.: 8 patents #74 of 977Top 8%
DC Daiichi Kigenso Kagaku Kogyo Co.: 6 patents #1 of 61Top 2%
NC Nhk Spring Co.: 5 patents #150 of 1,116Top 15%
TL Teijin Limited: 5 patents #249 of 1,631Top 20%
SC Sanyo Electric Co.: 4 patents #1,493 of 6,347Top 25%
WC Westwood Co.: 4 patents #1 of 2Top 50%
YE Yaskawa Electric: 4 patents #198 of 1,006Top 20%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
HK Hamamatsu Photonics K.K.: 3 patents #547 of 1,436Top 40%
Kyocera: 3 patents #999 of 3,732Top 30%
SE Seiko Epson: 3 patents #3,864 of 7,774Top 50%
Sharp Kabushiki Kaisha: 3 patents #4,164 of 10,731Top 40%
SC Sumitomo Chemical: 3 patents #1,386 of 4,033Top 35%
TL Teijin Chemicals Limited: 2 patents #42 of 196Top 25%
FC Furukawa Electric Co.: 2 patents #850 of 2,370Top 40%
TU Tohoku University: 2 patents #330 of 1,680Top 20%
TI Tokyo Electric Power Company Holdings, Incorporated: 2 patents #90 of 711Top 15%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
NE Nec: 2 patents #5,510 of 14,502Top 40%
NC Nippon Shokubai Co.: 2 patents #486 of 1,108Top 45%
NT NTT: 2 patents #2,095 of 4,871Top 45%
Ricoh Company: 2 patents #5,693 of 9,818Top 60%
Kawasaki: 2 patents #1,008 of 2,943Top 35%
KS Kawasaki Steel: 2 patents #570 of 1,922Top 30%
KS Kobe Steel: 2 patents #504 of 2,031Top 25%
FC Furakawa Electric Co.: 1 patents #1 of 49Top 3%
YA Yazaki: 1 patents #2,077 of 3,427Top 65%
KA Kaneka: 1 patents #886 of 1,525Top 60%
MC Matsushit Electric Industrial Co.: 1 patents #13 of 293Top 5%
YC Yutaka Giken Co.: 1 patents #56 of 161Top 35%
Nintendo Co.: 1 patents #886 of 1,476Top 65%
NC Nippon Paint Holdings Co.: 1 patents #415 of 834Top 50%
JT Japan Tabacco: 1 patents #5 of 29Top 20%
DI Daikin Industries: 1 patents #1,764 of 2,957Top 60%
DA Daicel: 1 patents #265 of 523Top 55%
SL Shiseido Company, Limited: 1 patents #543 of 1,112Top 50%
CH Chisso: 1 patents #468 of 833Top 60%
IC International Superconductivity Technology Center: 1 patents #110 of 245Top 45%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
TC Toshiba Carrier: 1 patents #69 of 163Top 45%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
📍 Tokyo, WA: #6 of 89 inventorsTop 7%
Overall (All Time): #3,809 of 4,157,543Top 1%
189
Patents All Time

Issued Patents All Time

Showing 151–175 of 189 patents

Patent #TitleCo-InventorsDate
5214097 Fluororubber composition Masayasu Tomoda, Shigeru Morita, Etsuo Minamino, Eisuke Yamada, Shinji Inagaki +1 more 1993-05-25
5176869 Method of manufacturing an inner lined pipe Takaaki Kawano, Toshiyuki Tsujiuchi, Hidenori Katayama 1993-01-05
5173447 Method for producing strained quantum well semiconductor laser elements Teturo Ijichi 1992-12-22
5159388 Image forming apparatus Tsugihito Yoshiyama, Moriyoshi Matsushiro, Masataka Oda, Masayasu Haga 1992-10-27
5155738 Semiconductor laser elements Teturo Ijichi 1992-10-13
5122834 Developing apparatus for determining decreased concentration of toner Chujiro Yokoyama, Moriyoshi Matsushiro, Yasuhiro Kusuda 1992-06-16
5104240 Release bearing assembly Yukihisa Takashi, Masaru Ebata 1992-04-14
5098628 Centrifugal molding method for composite pipe having a resin concrete layer Takaaki Kawano, Toshiyuki Tsujiuchi, Hidenori Katayama 1992-03-24
5061599 Radiation sensitive materials Tetsuichi Kudo, Akira Ishikawa, Katsuki Miyauchi, Takao Iwayanagi, Fumio Murai +1 more 1991-10-29
5035478 Material for micro optical component and optical component using the same Akira Ishikawa, Yukio Ito, Tetsuichi Kudo, Katsuki Miyauchi 1991-07-30
5032936 Tape tension apparatus Souichirou Fujioka 1991-07-16
4994565 Nucleotide sequence of gene specifically expressed by insulinoma 1991-02-19
4977774 Press device Akira Asari, Kuniaki Kanda, Masakazu Ueda 1990-12-18
4975348 Image highlighting method Kenji Tabuchi, Naoki Toyoshi, Kaoru Takebe, Shoichi Tsuge 1990-12-04
4959969 Refrigerating circuit apparatus with memory having a plurality of controlling modes Kimio Fushimi, Satoru Mochizuki, Yoshio Ootuka 1990-10-02
4945426 Helical scan tracking system Souichirou Fujioka 1990-07-31
4928145 Developing apparatus having a bucket roller with movable buckets Tateki Oka, Mineyuki Sako, Tetsuo Kyogoku, Toshikazu Suzuki 1990-05-22
4915715 Humidity conditioner Masayuki Oshima, Akira Matsuoka, Kazuhiko Asano, Kiyoshi Mimura, Masanori Shimada +1 more 1990-04-10
4897331 Reversal image forming method Naoki Toyoshi, Kenji Tabuchi, Kaoru Takebe, Tomoaki Yokoyama 1990-01-30
4891287 Image editing method Naoki Toyoshi, Kenji Tabuchi, Kaoru Takebe, Tomoaki Yokoyama 1990-01-02
4891588 Device for detecting rotation speed having feedback circuitry and improved frequency-response Souichiro Fujioka 1990-01-02
4847658 Image forming apparatus and image forming method employed therefor Kaoru Takebe, Naoki Toyoshi, Kenji Tabuchi, Mineyuki Sako 1989-07-11
4845524 Image forming method Naoki Toyoshi, Kenji Tabuchi, Kaoru Takebe, Taisuke Nagao 1989-07-04
4798057 Refrigerating apparatus and control method thereof Kimio Fushimi, Susumu Suzuki 1989-01-17
4728203 Radial load bearing system of rotary kiln Muneto Yamashita 1988-03-01