Inventor · disambiguated record
Michihisa Takahashi
Also filed as: TAKAHASHI MICHIHISA · WATANABE HIDEO
5 granted patents·114 citations·filing 1976–2004
80Inventor score
Files withRICOH KK5
Top patents by PatentIndex Score
5 records- 0192US6445669B1Initialization of phase-change optical recording mediumRICOH KK·Filed 1999·Granted Sep 3, 2002·73 cites·13 claims
- 0278US4056824ADeveloping apparatus for diazo copying machineRICOH KK·Filed 1976·Granted Nov 1, 1977·14 cites·15 claims
- 0364US4659644ADiazo-type thermosensitive recording material with hydrazone coupler and chelating metal compoundRICOH KK·Filed 1984·Granted Apr 21, 1987·10 cites·10 claims
- 0461US4179407ACatalyst bed for use in decomposition of ammonia gasRICOH KK·Filed 1978·Granted Dec 18, 1979·17 cites·5 claims
- 0546USRE39901EInitialization of phase-change optical recording mediumRICOH KK·Filed 2004·Granted Oct 30, 2007·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →