Inventor · disambiguated record
Kiyotaka Okuyama
Also filed as: HOSAKA AKIHIKO · OKUYAMA KIYOTAKA
18 granted patents·103 citations·filing 1979–1993
93Inventor score
Top patents by PatentIndex Score
18 records- 0172US4336310AMagnetic recording medium and preparation thereofTDK ELECTRONICS CO LTD·Filed 1980·Granted Jun 22, 1982·26 cites·3 claims
- 0267US5225281AMagnetic recording medium comprising a magnetic coating containing magnetic powder obtained from a process of coating iron oxide powder with silicon, zirconium and aluminum compounds and reducingTDK CORP·Filed 1990·Granted Jul 6, 1993·17 cites·10 claims
- 0351US4361621AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1981·Granted Nov 30, 1982·10 cites·5 claims
- 0446US4323628AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1980·Granted Apr 6, 1982·5 cites·3 claims
- 0543US4370384AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1981·Granted Jan 25, 1983·4 cites·3 claims
- 0643US4238548AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1979·Granted Dec 9, 1980·6 cites·4 claims
- 0742US4357391AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1980·Granted Nov 2, 1982·4 cites·7 claims
- 0841US4609588AMagnetic recording mediumTDK CORP·Filed 1983·Granted Sep 2, 1986·4 cites·4 claims
- 0941US4460651AMagnetic recording mediumTDK CORP·Filed 1983·Granted Jul 17, 1984·7 cites·2 claims
- 1038US4391864AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1980·Granted Jul 5, 1983·5 cites·5 claims
- 1137US4459319AProcess for producing a magnetic recording mediumTDK CORP·Filed 1983·Granted Jul 10, 1984·3 cites·3 claims
- 1235US4396659AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1980·Granted Aug 2, 1983·4 cites·5 claims
- 1334US4389458AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1982·Granted Jun 21, 1983·3 cites·2 claims
- 1433US4367264AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1981·Granted Jan 4, 1983·3 cites·5 claims
- 1530US4404259AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1981·Granted Sep 13, 1983·1 cites·10 claims
- 1629US5514463AMagnetic recording mediumTDK CORP·Filed 1993·Granted May 7, 1996·0 cites·2 claims
- 1728US5351902A8mm video tape cassetteTDK CORP·Filed 1992·Granted Oct 4, 1994·0 cites·5 claims
- 1828US4600650AMagnetic recording mediumTDK CORP·Filed 1983·Granted Jul 15, 1986·1 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →