YH

Yoshikazu Hirai

PI Pola Chemical Industries: 2 patents #52 of 199Top 30%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
SO Sony: 2 patents #12,963 of 25,231Top 55%
Pioneer Electronic: 1 patents #1,093 of 1,840Top 60%
PV Pioneer Video: 1 patents #67 of 139Top 50%
SC Shinko Electric Industries Co.: 1 patents #134 of 267Top 55%
Overall (All Time): #652,528 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8488187 Image forming apparatus and method for forming image Tsutomu Inagaki, Takayuki Toba, Jun Ichii, Shinya Orimo 2013-07-16
7425427 Method for staining corneocytes, method for preparing corneocytes specimen and skin analysis system Kenya Hirayama, Nobuo Kashibuchi, Sonoko Kawasaki, Hiroaki Imai, Yoko Zemba +5 more 2008-09-16
7421105 Method for staining corneocytes, method for preparing corneocytes specimen and skin analysis system Kenya Hirayama, Nobuo Kashibuchi, Sonoko Kawasaki, Hiroaki Imai, Yoko Zemba +5 more 2008-09-02
6754437 Receiver, recorder and player Kazuhisa Yamada, Yasushi Yoneda 2004-06-22
6166778 Broadcast receiving apparatus Sozo Yamamoto, Ayako Monma, Chie Hirose, Emiko Maekawa, Eiichiro Naito +1 more 2000-12-26
5759332 Process of reproducing optical discs and optical discs produced by the same Masahide Itoigawa, Mitsuhiko Sasano, Shinichi Hanzawa, Masaaki Motokawa, Haruhisa Maruyama 1998-06-02
5262667 Semiconductor device for optical pick-up 1993-11-16
5215928 Method of manufacturing a semiconductor device for optical pick-up 1993-06-01