OI

Osamu Ito

SO Sony: 70 patents #250 of 25,231Top 1%
Mitsubishi Electric: 26 patents #631 of 25,717Top 3%
SS Sumitomo Wiring Systems: 22 patents #140 of 2,615Top 6%
GL Glory: 18 patents #3 of 385Top 1%
Honda Motor Co.: 14 patents #1,210 of 21,052Top 6%
HI Hitachi: 10 patents #4,206 of 28,497Top 15%
NC Nippondenso Co.: 9 patents #200 of 3,479Top 6%
Sumitomo Electric Industries: 8 patents #3,473 of 21,551Top 20%
KA Kao: 6 patents #545 of 3,221Top 20%
CC Chubu Chelest Co.: 5 patents #2 of 16Top 15%
Yamaha: 5 patents #527 of 2,001Top 30%
KC Kao Soap Co.: 5 patents #16 of 203Top 8%
PA Panasonic: 5 patents #5,165 of 21,108Top 25%
CH Chelest: 5 patents #2 of 13Top 20%
JD Japan Display: 4 patents #580 of 1,204Top 50%
TO Toyota: 4 patents #6,703 of 26,838Top 25%
HD Hitachi Displays: 4 patents #236 of 752Top 35%
NC Nhk Spring Co.: 3 patents #263 of 1,116Top 25%
GK Glory Kogyo Kabushiki Kaisha: 3 patents #10 of 107Top 10%
NC Nippon Thompson Co.: 2 patents #69 of 178Top 40%
TE Teac: 2 patents #166 of 440Top 40%
OC Otsuka Chemical Co.: 2 patents #85 of 269Top 35%
CK Calsonic Kansei: 2 patents #178 of 675Top 30%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
HC Hitachi Chemical Company: 2 patents #701 of 1,946Top 40%
TC Toyoda Gosei Co.: 2 patents #900 of 2,296Top 40%
NT Nec Tokin: 2 patents #100 of 299Top 35%
TU Tohoku University: 2 patents #330 of 1,680Top 20%
WP Wakayama Prefecture: 1 patents #9 of 25Top 40%
Casio Computer Co.: 1 patents #1,284 of 1,970Top 70%
DE Denso: 1 patents #6,940 of 11,792Top 60%
HT Hayashi Telempu: 1 patents #29 of 139Top 25%
IN Inoac: 1 patents #65 of 232Top 30%
JA Japan Science And Technology Agency: 1 patents #756 of 2,171Top 35%
KU Kyoto University: 1 patents #568 of 1,688Top 35%
LG Lion Group: 1 patents #229 of 587Top 40%
MC Mitsubishi Chemical: 1 patents #1,511 of 3,022Top 50%
NM Nippon Mektron: 1 patents #123 of 286Top 45%
NC Nippon Paper Industries Co.: 1 patents #263 of 535Top 50%
NC Nomura Micro Science Co.: 1 patents #13 of 42Top 35%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
SM Suzuki Motor: 1 patents #523 of 1,209Top 45%
TO Tokin: 1 patents #101 of 278Top 40%
TC Toppan Printing Co.: 1 patents #691 of 1,467Top 50%
AD Advanced Display: 1 patents #86 of 147Top 60%
YC Yamagata Casio Co.: 1 patents #2 of 11Top 20%
YE Yokogawa Electric: 1 patents #658 of 1,441Top 50%
📍 Tokyo, IL: #2 of 39 inventorsTop 6%
Overall (All Time): #2,082 of 4,157,543Top 1%
245
Patents All Time

Issued Patents All Time

Showing 176–200 of 245 patents

Patent #TitleCo-InventorsDate
5481508 Magneto-optic recording medium method of manufacturing the same and magneto-optic recording system Isao Watanabe, Koichi Takeuchi, Kyosuke Yosimoto, Kunimaro Tanaka, Kazuhiko Tsutsumi 1996-01-02
5475666 Optically modulated overwritable recording device Masaya Ito, Kouichi Yamada, Masayoshi Shimamoto, Yoshiki Nakajima, Kouichi Takeuchi +1 more 1995-12-12
5468780 Method of recycling unsaturated polyester resin waste Shizuo Kubota, Hiroyuki Miyamoto 1995-11-21
5438557 Optical disk storage which provides pull-in of focus servo and pull-in of tracking servo Kyosuke Yoshimoto, Yoshihiro Kiyose, Kazuhiko Nakane, Akira Mashimo, Hiroyuki Onda +2 more 1995-08-01
5400120 Electrophotographic apparatus Kazushige Narazaki, Yoshikazu Kawabe, Masafumi Yoshizawa 1995-03-21
5369628 Magneto-optic recording medium, magneto-optic recording system and magneto-optic recording method Kyosuke Yoshimoto, Kunimaro Tanaka, Koichi Takeuchi, Isao Watanabe, Kazuhiko Tsutsumi 1994-11-29
5355065 Adaptive control system Kazushige Narazaki 1994-10-11
5327309 Disk drive apparatus with shutter locking mechanism which is preventive of play of disk cartridge in loading condition Tooru Takamiya, Hiroshi Miyoshi, Kiyoshi Ohmori 1994-07-05
5321675 Pit spacing in the servo field of an optical disk for speed and direction detection and data retrieval Masaharu Ogawa, Kyosuke Yoshimoto, Kunimaro Tanaka, Teruo Furukawa, Masafumi Ototake 1994-06-14
5309692 Method for injecting repairing agent into concrete construction Yuichiro Hayashi, Noboru Naito 1994-05-10
5309415 Information recording method for overwriting a magneto-optic recording medium with two intensities of light beams Koichi Takeuchi, Kyosuke Yoshimoto, Kunimaro Tanaka, Isao Watanabe, Kazuhiko Tsutsumi +6 more 1994-05-03
5272684 Information recording method and information recording apparatus for magneto-optic recording information medium Koichi Takeuchi, Kyosuke Yoshimoto, Kunimaro Tanaka, Isao Watanabe, Kazuhiko Tsutsumi +6 more 1993-12-21
5250988 Electrophotographic apparatus having image control means Sadahiro Matsuura, Yasuyuki Shintani 1993-10-05
5251194 Techniques for controlling beam position and focus in optical disk drives Kyosuke Yoshimoto, Kimiyuki Koyanagi, Yoshiki Nakajima, Shuitsu Takeda, Kyoji Shimoda 1993-10-05
5233816 Leaf paper bundling apparatus Koichi Moriya, Minoru Onozawa, Shigemi Kobayashi, Masahiko Nishimura, Masato Ono 1993-08-10
5218591 Optical disk apparatus for shaping pits recorded on an optical disk Masayoshi Shimamoto, Kunimaro Tanaka, Isao Watanabe 1993-06-08
5212632 Adaptive control system Shigeaki Matsubayashi 1993-05-18
5204166 Thick film resistor composition, hybrid IC using the composition, and process for producing the hybrid IC Tadamichi Asai, Toshio Ogawa, Noritaka Kamimura, Yoshishige Endou, Takao Kobayashi +4 more 1993-04-20
5197048 Magneto-optic recording medium, magneto-optic recording system and magneto-optic recording method Kyosuke Yoshimoto, Kunimaro Tanaka, Koichi Takeuchi, Isao Watanabe, Kazuhiko Tsutsumi 1993-03-23
5196915 Semiconductor device Tadamichi Asai, Toshio Ogawa, Mitsuru Hasegawa, Akira Ikegami, Yoshishige Endoh +2 more 1993-03-23
5185746 Optical recording system with error correction and data recording distributed across multiple disk drives Kunimaro Tanaka, Minoru Ozaki, Yoshihiro Kiyose 1993-02-09
5175585 Electrophotographic copier having image density control Shigeaki Matsubayashi 1992-12-29
5172364 Magneto-optic recording apparatus with controlled magnetic field generation Kyosuke Yoshimoto, Kunimaro Tanaka, Koichi Takeuchi, Isao Watanabe, Kazuhiko Tsutsumi 1992-12-15
5157526 Unabsorbing type polarizer, method for manufacturing the same, polarized light source using the same, and apparatus for liquid crystal display using the same Katsumi Kondo, Junichi Hirakata, Teruo Kitamura, Shuichi Ohara, Naoki Kikuchi +1 more 1992-10-20
5153879 Optical recording system Kunimaro Tanaka, Minoru Ozaki, Yoshihiro Kiyose 1992-10-06