Inventor · disambiguated record
Junichi Akamatsu
Also filed as: AKAMATSU JUNICHI
5 granted patents·120 citations·filing 1983–1994
82Inventor score
Technology areasG11B
Files withSONY CORP5
Top patents by PatentIndex Score
5 records- 0193US5364735AMultiple layer optical record medium with protective layers and method for producing sameSONY CORP·Filed 1992·Granted Nov 15, 1994·67 cites·6 claims
- 0279US4525412AInformation recording mediumSONY CORP·Filed 1983·Granted Jun 25, 1985·21 cites·6 claims
- 0370US4807220AOptically recordable carrierSONY CORP·Filed 1987·Granted Feb 21, 1989·18 cites·13 claims
- 0455US4633273AInformation recording medium including antimony-selenium compoundsSONY CORP·Filed 1985·Granted Dec 30, 1986·9 cites·8 claims
- 0544US5474873AOptical recording material and method for producing sameSONY CORP·Filed 1994·Granted Dec 12, 1995·5 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →