KY

Katsumi Yamaguchi

CC Clarion Co.: 15 patents #28 of 721Top 4%
Ricoh Company: 11 patents #2,054 of 9,818Top 25%
KA Kaneka: 8 patents #127 of 1,525Top 9%
TK Tyco Electronics Amp K.K.: 5 patents #21 of 151Top 15%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
OC Otax Co.: 1 patents #7 of 15Top 50%
SC Sekisui Plastics Co.: 1 patents #60 of 144Top 45%
TS Texas A&M University System: 1 patents #649 of 1,706Top 40%
W& Whitaker &: 1 patents #650 of 1,437Top 50%
AM Amgen: 1 patents #1,847 of 2,867Top 65%
TI Texas Instruments: 1 patents #7,357 of 12,488Top 60%
HT Hayashi Telempu: 1 patents #29 of 139Top 25%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
JA Japan Science And Technology Agency: 1 patents #756 of 2,171Top 35%
NU National University Corporation Kobe University: 1 patents #47 of 288Top 20%
Overall (All Time): #58,325 of 4,157,543Top 2%
48
Patents All Time

Issued Patents All Time

Showing 26–48 of 48 patents

Patent #TitleCo-InventorsDate
5233455 Scanning optical system Nobuo Sakuma 1993-08-03
5209427 Brake mechanism of magnetic recording and reproducing apparatus Shinichiro Terada, Katsuya Nozawa, Toshiyuki Asanuma, Yukio Ito 1993-05-11
5155616 Scanning optical system Nobuo Sakuma 1992-10-13
5005928 Optical scanning system Seizo Suzuki, Nobuo Sakuma, Osamu Endo 1991-04-09
4955682 Scanning optical system Nobuo Sakuma 1990-09-11
4953171 Semiconductor laser source unit Tomohiro Nakajima, Kazuyuki Shimada, Nobuo Sakuma, Seizoh Suzuki 1990-08-28
4934772 Light beam scanning lens and light beam scanning device Nobuo Sakuma 1990-06-19
4906061 Collimated light beam scanning method including curvature of field correction 1990-03-06
4872075 Tape loading mechanism in magnetic recording and reproducing apparatus Kikuo Yoshikawa, Shigeo Kinoshita, Takao Kanai, Syouichiro Yokoi 1989-10-03
4835636 Dustproof door mechanism Takao Kanai, Shigeo Kinoshita, Kikuo Yoshikawa, Syouichiro Yokoi 1989-05-30
4828158 Pinch roller driving mechanism Shigeo Kinoshita, Kikuo Yoshikawa, Takao Kanai, Syouichiro Yokoi 1989-05-09
4825312 Cassette loading mechanism Kikuo Yoshikawa, Takao Kanai, Syouichiro Yokoi 1989-04-25
4797758 Pinch roller driving mechanism Syouichiro Yokoi, Takao Kanai, Kikuo Yoshikawa 1989-01-10
4764827 Intermittent gear mechanism Takao Kanai, Shigeo Kinoshita, Kikuo Yoshikawa, Syouichiro Yokoi 1988-08-16
4708302 Mode switching over gear mechanism for reel Syouichiro Yokoi, Takao Kanai, Kikuo Yoshikawa 1987-11-24
4511940 Tape player having motor-driven tape-pack loading mechanism Kazuki Takai, Hitoshi Okada 1985-04-16
4479155 Auto-loading mechanism in a magnetic recording/reproducing apparatus Kazuki Takai, Hitoshi Okada 1984-10-23
4458276 Magnetic tape recording/reproducing apparatus with eject spring set by tape drive motor Hitoshi Okada, Kazuki Takai 1984-07-03
4450492 Interlocking gear control mechanism in magnetic tape recording/playing apparatus Hitoshi Okada, Kazuki Takai 1984-05-22
4430680 Reciprocating member control mechanism in tape player Hitoshi Okada 1984-02-07
4423847 Tape reel driving mechanism Hitoshi Okada 1984-01-03
4423445 Clutch system in a tape player Hitoshi Okada, Kazuki Takai 1983-12-27
4403265 Power loading/unloading mechanism for tape record/playback apparatus Hitoshi Okada, Kazuki Takai 1983-09-06