YN

Yoshihisa Nakamura

SO Sony: 3 patents #10,744 of 25,231Top 45%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
NU National University Corporation Tohoku University: 2 patents #36 of 170Top 25%
FC Fuji Electric Co.: 2 patents #952 of 2,643Top 40%
SI Sumitomo Metal Industries: 2 patents #334 of 1,462Top 25%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
SH Showa: 1 patents #167 of 337Top 50%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
📍 Izumi, JP: #29 of 245 inventorsTop 15%
Overall (All Time): #576,381 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8691402 Perpendicular magnetic recording medium Osamu Kitakami, Yutaka Shimada, Satoshi Okamoto, Takehito Shimatsu, Hajime Aoi +3 more 2014-04-08
8323808 Perpendicular magnetic recording medium Osamu Kitakami, Yutaka Shimada, Satoshi Okamoto, Takehito Shimatsu, Hajime Aoi +3 more 2012-12-04
6801894 Speech synthesizer that interrupts audio output to provide pause/silence between words Hiroaki Matsubara 2004-10-05
6308974 Suspension system Kenji Hashirayama 2001-10-30
6292329 Thin film single magnetic head Jin Sato, Hiroaki Muraoka, Toru Katakura 2001-09-18
6284017 Method and facility for producing reduced iron Yasuo Kamei, Takazo Kawaguchi, Hideyuki Yamaoka 2001-09-04
6015527 Facility for producing reduced iron Yasuo Kamei, Takazo Kawaguchi, Hideyuki Yamaoka 2000-01-18
4251842 Magnetic recording and reproducing device Shunichi Iwasaki 1981-02-17
4210946 Magnetic recording medium Shun Iwasaki 1980-07-01