EI

Etsuro Ikeda

SO Sony: 12 patents #3,691 of 25,231Top 15%
Overall (All Time): #423,072 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8119215 Optical recording medium and method for manufacturing the same Takemitsu Sakai, Yuichi Sabi 2012-02-21
8075975 Optical recording medium and method for manufacturing the same Takemitsu Sakai, Yuichi Sabi 2011-12-13
7924694 Write-once type optical recording medium and fabrication method thereof Yuichi Sabi, Fuminori Takase 2011-04-12
7787353 Optical recording medium and method for manufacturing same Toru Abiko, Nobuaki Furuichi, Fuminori Takase 2010-08-31
7468200 Write once optical recording medium Yuichi Sabi, Mitsuaki Oyamada 2008-12-23
6654337 Magneto-optical recording medium having pit pitch greater than groove pitch Sohmei Endoh, Manabu Satoh, Mitsuo Arima, Jun Shimizu, Hirotaka Ozawa +2 more 2003-11-25
6319623 Magneto-optical recording medium Hiroshi Miura 2001-11-20
6048597 Optical device and manufacturing method thereof Hiroshi Nakayama 2000-04-11
6022462 DC sputtering system Itaru Suzuki, Yuji Kawana 2000-02-08
5745443 Magneto-optical disc having a protective film with minimal projections and method of production of same Mikio Yoshida 1998-04-28
5741541 Method for producing magneto-optical recording medium Masahiro Kikkawa, Takashi Kishi 1998-04-21
5585197 Magneto-optical recording medium having a rave earth-transition metal alloy layer, a rave earth layer, a rare earth oxide layer, and a SiN layer Masahiro Kikkawa, Takashi Kishi 1996-12-17