Inventor · disambiguated record
Toshiaki Izumi
Also filed as: IZUMI TOSHIAKI
13 granted patents·180 citations·filing 1980–1994
92Inventor score
Top patents by PatentIndex Score
13 records- 0184US4599266AMagnetic recording mediumTDK CORP·Filed 1985·Granted Jul 8, 1986·28 cites·13 claims
- 0283US4548864AMagnetic recording medium having an organic metal underlayerTDK CORP·Filed 1983·Granted Oct 22, 1985·24 cites·1 claims
- 0377US4387136AMagnetic recording medium and apparatus for preparing the sameTDK ELECTRONICS CO LTD·Filed 1981·Granted Jun 7, 1983·19 cites·1 claims
- 0467US4520076AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1981·Granted May 28, 1985·23 cites·5 claims
- 0561US4816933AMagnetic recording medium of particular coercive force, filling ratio, and protrusions and recording/reproducing method thereforTDK CORP·Filed 1985·Granted Mar 28, 1989·13 cites·50 claims
- 0660US4371590AMagnetic recording medium with stepwise orientation of deposited metallic particlesTDK ELECTRONICS CO LTD·Filed 1980·Granted Feb 1, 1983·17 cites·5 claims
- 0754US4418126AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1981·Granted Nov 29, 1983·16 cites·2 claims
- 0853US4343834AProcess for preparing magnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1981·Granted Aug 10, 1982·8 cites·1 claims
- 0945US4599280AMagnetic recording mediumTDK CORP·Filed 1984·Granted Jul 8, 1986·10 cites·17 claims
- 1042US4400444AMagnetic recording media and process of producing themTDK ELECTRONICS CO LTD·Filed 1982·Granted Aug 23, 1983·4 cites·3 claims
- 1138US5467241APower receiving systemHITACHI LTD·Filed 1994·Granted Nov 14, 1995·11 cites·7 claims
- 1238US4588654AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1982·Granted May 13, 1986·5 cites·2 claims
- 1330US5280408APower receiving and transforming apparatusHITACHI LTD·Filed 1992·Granted Jan 18, 1994·2 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Toshiaki Izumi 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 →