Inventor · disambiguated record
Yoshifumi Sakurai
Also filed as: SAKURAI YOSHIFUMI
9 granted patents·59 citations·filing 1974–1985
86Inventor score
Files withOLYMPUS OPTICAL CO4CANON KK1KANEGAFUCHI CHEMICAL IND1KUREHA CHEMICAL IND CO LTD1MITSUBISHI HEAVY IND LTD1
Top patents by PatentIndex Score
9 records- 0167US4670353AMagnetooptical recording mediumCANON KK·Filed 1985·Granted Jun 2, 1987·15 cites·15 claims
- 0259US4393427AMultichannel magnetic headOLYMPUS OPTICAL CO·Filed 1980·Granted Jul 12, 1983·11 cites·7 claims
- 0358US4420781AMagnetic head with an amorphous Hall elementOLYMPUS OPTICAL CO·Filed 1981·Granted Dec 13, 1983·10 cites·22 claims
- 0442US4333991AMagnetic garnet film and manufacturing method thereforOLYMPUS OPTICAL CO·Filed 1981·Granted Jun 8, 1982·5 cites·9 claims
- 0539US3935711AFlap gateMITSUBISHI HEAVY IND LTD·Filed 1974·Granted Feb 3, 1976·10 cites·1 claims
- 0630US4516222ALaminated magnetic bubble deviceKUREHA CHEMICAL IND CO LTD·Filed 1982·Granted May 7, 1985·3 cites·15 claims
- 0729US4388661AMultichannel magnetic head and a manufacturing method thereforOLYMPUS OPTICAL CO·Filed 1980·Granted Jun 14, 1983·1 cites·4 claims
- 0828US4588647APerpendicular magnetization film and the preparation thereofKANEGAFUCHI CHEMICAL IND·Filed 1985·Granted May 13, 1986·1 cites·4 claims
- 0927US4675239APerpendicular magnetization filmSAKURAI YOSHIFUMI·Filed 1985·Granted Jun 23, 1987·3 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →