Inventor · disambiguated record
Junichi Nakaoka
Also filed as: NAKAOKA JUNICHI
8 granted patents·1 pending application·148 citations·filing 1984–2005
88Inventor score
Top patents by PatentIndex Score
9 records- 0181US4875987AGrooved magnetic substrates and method for producing the sameSUMITOMO SPEC METALS·Filed 1988·Granted Oct 24, 1989·25 cites·12 claims
- 0278US4794736AArrangement for mechanically and accurately processing a workpiece with a position detecting pattern or patternsCITIZEN WATCH CO LTD·Filed 1988·Granted Jan 3, 1989·40 cites·16 claims
- 0378US4690846ARecording disk substrate members and process for producing sameSUMITOMO SPEC METALS·Filed 1985·Granted Sep 1, 1987·23 cites·8 claims
- 0475US4808455AMagnetic recording disc and process for producing the sameSUMITOMO SPEC METALS·Filed 1986·Granted Feb 28, 1989·20 cites·21 claims
- 0563US4953051AComposite magnetic headSUMITOMO SPEC METALS·Filed 1988·Granted Aug 28, 1990·13 cites·11 claims
- 0656US4777074AGrooved magnetic substrates and method for producing the sameSUMITOMO SPEC METALS·Filed 1986·Granted Oct 11, 1988·8 cites·6 claims
- 0749US4816128AProcess for producing substrate member for magnetic recording discSUMITOMO SPEC METALS·Filed 1986·Granted Mar 28, 1989·10 cites·14 claims
- 0846US4636420AGrooved magnetic substrates and method for producing the sameSUMITOMO SPEC METALS·Filed 1984·Granted Jan 13, 1987·9 cites·10 claims
- 0939US2006131600A1Light transmitting window member, semiconductor package provided with light transmitting window member and method for manufacturing light transmitting window memberNAKAOKA JUNICHI·Filed 2005·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Junichi Nakaoka files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →