Inventor · disambiguated record
Koichi Tohma
Also filed as: TOHMA KOICHI
10 granted patents·188 citations·filing 1986–1992
91Inventor score
Files withCANON KK10
Top patents by PatentIndex Score
10 records- 0185US4880324ATransfer method for heat-sensitive transfer recordingCANON KK·Filed 1986·Granted Nov 14, 1989·32 cites·18 claims
- 0281US4880686AThermal transfer materialCANON KK·Filed 1987·Granted Nov 14, 1989·25 cites·7 claims
- 0377US4743920AThermal transfer recording method and apparatusCANON KK·Filed 1986·Granted May 10, 1988·24 cites·17 claims
- 0475US4881084AImage recording method using fluid ink electrochemically imparted with adhesivenessCANON KK·Filed 1987·Granted Nov 14, 1989·25 cites·15 claims
- 0574US4962389AImage recorder using ink imparted with adhesiveness by electro-chemical reactionCANON KK·Filed 1989·Granted Oct 9, 1990·24 cites·28 claims
- 0656US5269865AThermal transfer material and thermal transfer recording methodCANON KK·Filed 1992·Granted Dec 14, 1993·18 cites·20 claims
- 0749US5269866AThermal transfer material and thermal transfer recording methodCANON KK·Filed 1992·Granted Dec 14, 1993·13 cites·23 claims
- 0849US5106676ATransfer medium for heat-sensitive transfer recordingCANON KK·Filed 1989·Granted Apr 21, 1992·11 cites·17 claims
- 0944US4960632AThermal transfer materialCANON KK·Filed 1987·Granted Oct 2, 1990·8 cites·7 claims
- 1043US5002819AThermal transfer materialCANON KK·Filed 1988·Granted Mar 26, 1991·8 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Koichi Tohma 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 →