Etsuro Ikeda has been granted 12 US patents while listed as an inventor at Sony . The first was granted in 1996 and the most recent in February 2012. Etsuro Ikeda ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Etsuro Ikeda in Rifu, JP.
Patents per Year Patents granted per year, 1996 to 2012 Bar chart with a peak of 2 patents in 1998. peak 2 1996: 1 patents 1996 1998: 2 patents 1998 2000: 2 patents 2000 2001: 1 patents 2001 2003: 1 patents 2003 2008: 1 patents 2008 2010: 1 patents 2010 2011: 2 patents 2011 2012: 1 patents 2012
Issued Patents All Time
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Showing 1–12 of 12 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
8119215
Optical recording medium and method for manufacturing the same
Takemitsu Sakai , Yuichi Sabi
2012-02-21
$217,000
8075975
Optical recording medium and method for manufacturing the same
Takemitsu Sakai , Yuichi Sabi
2011-12-13
$126,000
7924694
Write-once type optical recording medium and fabrication method thereof
Yuichi Sabi , Fuminori Takase
2011-04-12
$279,000
7787353
Optical recording medium and method for manufacturing same
Toru Abiko , Nobuaki Furuichi , Fuminori Takase
2010-08-31
$286,000
7468200
Write once optical recording medium
Yuichi Sabi , Mitsuaki Oyamada
2008-12-23
$828,000
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
$1,177,000
6319623
Magneto-optical recording medium
Hiroshi Miura
2001-11-20
$980,000
6048597
Optical device and manufacturing method thereof
Hiroshi Nakayama
2000-04-11
$4,867,000
6022462
DC sputtering system
Itaru Suzuki , Yuji Kawana
2000-02-08
$2,686,000
5745443
Magneto-optical disc having a protective film with minimal projections and method of production of same
Mikio Yoshida
1998-04-28
$345,000
5741541
Method for producing magneto-optical recording medium
Masahiro Kikkawa , Takashi Kishi
1998-04-21
$379,000
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
$142,000