Inventor · disambiguated record
Kouichi Touma
Also filed as: TOUMA KOUICHI
4 granted patents·57 citations·filing 1986–1990
78Inventor score
Files withCANON KK4
Top patents by PatentIndex Score
4 records- 0182US4882593AMethod and apparatus for carrying out transference recording of an ink imageCANON KK·Filed 1986·Granted Nov 21, 1989·26 cites·22 claims
- 0270US5142308AInk jet head having heat generating resistor made of non-single crystalline substance containing ir and taCANON KK·Filed 1990·Granted Aug 25, 1992·20 cites·26 claims
- 0352US5148191AInk jet head having heat generating resistor made of non-single crystalline substance containing ir, ta and al and ink jet apparatus having such ink jet headCANON KK·Filed 1990·Granted Sep 15, 1992·8 cites·26 claims
- 0434US5234774ANon-single crystalline materials containing ir, ta and alCANON KK·Filed 1990·Granted Aug 10, 1993·3 cites·60 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →