OI

Osamu Ishikawa

Mitsubishi Electric: 31 patents #439 of 25,717Top 2%
Sumitomo Electric Industries: 13 patents #1,957 of 21,551Top 10%
TS Tochigi Fuji Sangyo: 7 patents #7 of 99Top 8%
UN Unicharm: 6 patents #173 of 624Top 30%
JS Jsr: 5 patents #221 of 1,137Top 20%
JR Japan Synthetic Rubber: 4 patents #81 of 558Top 15%
OC Oki Electric Industry Co.: 4 patents #523 of 2,807Top 20%
OD Oki Data: 4 patents #186 of 635Top 30%
DL Denka Company Limited: 3 patents #97 of 434Top 25%
SC Shin-Etsu Handotai Co.: 3 patents #210 of 679Top 35%
JT Jtekt: 3 patents #557 of 1,969Top 30%
MC Misawa Homes Co.: 3 patents #3 of 40Top 8%
ML Mitsubishi Electric Lighting: 2 patents #1 of 29Top 4%
DC Denka Seiken Co.: 2 patents #23 of 73Top 35%
NI Ngk Insulators: 2 patents #947 of 2,083Top 50%
NC Nkk Co.: 2 patents #309 of 1,173Top 30%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
UO University Public Corporation Osaka: 2 patents #9 of 141Top 7%
OO Osaka Prefectural Hospital Organization: 2 patents #2 of 25Top 8%
HK Hamamatsu Photonics K.K.: 2 patents #676 of 1,436Top 50%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Dow Corning: 1 patents #971 of 1,768Top 55%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
MC Murata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
SB Stamicarbon B.V.: 1 patents #194 of 427Top 50%
VJ Viscodrive Japan: 1 patents #2 of 5Top 40%
CC Cosmo Oil Co.: 1 patents #111 of 229Top 50%
Overall (All Time): #14,558 of 4,157,543Top 1%
100
Patents All Time

Issued Patents All Time

Showing 76–100 of 100 patents

Patent #TitleCo-InventorsDate
5711737 Differential apparatus Masao Teraoka, Satoshi Aiba, Kenji Hiraishi 1998-01-27
5700852 Paper coating composition Shin-ichiro Iwanaga, Shigeru Shingae, Takasi Morita, Norichika Nojima 1997-12-23
5637644 Process for producing copolymer latex and paper coating composition, carpet backing composition or adhesive composition comprising said latex Katsuhiko Tsuruoka, Shozo Nishida, Masafumi Wakamori, Takemitsu Tanaka, Masaaki Yada +1 more 1997-06-10
5594358 Radio frequency probe and probe card including a signal needle and grounding needle coupled to a microstrip transmission line Hiroyasu Takehara 1997-01-14
5592122 Radio-frequency power amplifier with input impedance matching circuit based on harmonic wave Maeda Masahiro, Hiroyasu Takehara 1997-01-07
5574884 DRAM control circuit Toshikazu Ito 1996-11-12
5524401 Roof with solar battery Naoko Oya 1996-06-11
5509973 Roof panel and roof structure with solar batteries Naoko Oya, Michio Sasaki, Akio Miwa 1996-04-23
5482569 Roof for generating electricity by solar light Takuro Ihara 1996-01-09
5446309 Semiconductor device including a first chip having an active element and a second chip having a passive element Chinatsu Adachi, Masaaki Nishijima, Yorito Ota 1995-08-29
5444118 Process for producing copolymer latex and paper coating composition, carpet backing composition or adhesive composition comprising said latex Katsuhiko Tsuruoka, Shozo Nishida, Masafumi Wakamori, Takemitsu Tanaka, Masaaki Yada +1 more 1995-08-22
5294419 Method for removing nitrogen oxides and organic chlorine compounds from combustion waste gas Masakatsu Hiraoka, Toshihiko Iwasaki, Haruhito Tsuboi, Takashi Noto, Miki Yamagishi +4 more 1994-03-15
5260044 Method for removing organic chlorine compounds from combustion waste gas Masakatsu Hiraoka, Toshihiko Iwasaki, Haruhito Tsuboi, Takashi Noto, Miki Yamagishi +4 more 1993-11-09
5109270 High frequency semiconductor device Shutaro Nambu, Chinatsu Azuma 1992-04-28
5093386 Liquid curable plastic composition Timothy E. Bishop, Tohru Ohtaka, Masanobu Takahashi, Katsutoshi Igarashi 1992-03-03
4983150 Differential gear apparatus with differential limitation mechanism Takao Tashiro 1991-01-08
4959166 Fluid composition for use in viscous coupling Hiromu Minamitani, Norio Yano, Atsushi Ikezawa, Toshio Kanayama, Takashi Ushijima +1 more 1990-09-25
4928803 Power transmission apparatus Kazuyoshi Watanabe 1990-05-29
4891577 Apparatus for measuring noise characteristics 1990-01-02
4884148 Circuit employing a plurality of counters and an interpolator for converting a video signal into a binary signal Mikihiko Sone, Yoshimi Suzuki 1989-11-28
4876605 Image reading device Kiyoshi Sumiya 1989-10-24
4853793 Circuit for converting a video signal produced by a line image sensor into a binary signal on the basis of reference levels determined for sections of the line image sensor using respective counters Mikihiko Sone, Yoshimi Suzuki 1989-08-01
4838119 Differential gear assembly with viscous and friction clutch mechanisms Masao Teraoka, Yukio Yuhashi 1989-06-13
4757727 Differential device for a power transmission apparatus Masao Teraoka 1988-07-19
4735108 Power transmission device Masao Teraoka, Makoto Hagiwara 1988-04-05