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USPTO Patent Rankings Data through Dec 31, 2025
EI

Etsuro Ikeda — 12 Patents

Sony: 12 patents #3,704 of 25,231Top 15%
Rifu, JP: #288 of 2,101 inventorsTop 15%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
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 2012Bar chart with a peak of 2 patents in 1998.peak 21996: 1 patents19961998: 2 patents19982000: 2 patents20002001: 1 patents20012003: 1 patents20032008: 1 patents20082010: 1 patents20102011: 2 patents20112012: 1 patents2012

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDateApprox 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