Inventor · disambiguated record
Yoshiaki Tomofuji
Also filed as: TOMOFUJI YOSHIAKI
7 granted patents·474 citations·filing 1982–2018
89Inventor score
Top patents by PatentIndex Score
7 records- 0195US5023408AElectronic blackboard and accessories such as writing toolsWACOM CO LTD·Filed 1989·Granted Jun 11, 1991·181 cites·85 claims
- 0292US5134388AElectronic blackboard system marker and eraser thereforWACOM CO LTD·Filed 1991·Granted Jul 28, 1992·93 cites·38 claims
- 0386US4533987APower supply systemMATSUSHITA ELECTRIC WORKS LTD·Filed 1982·Granted Aug 6, 1985·41 cites·2 claims
- 0485US4711977AElectronic blackboard apparatusWACOM CO LTD·Filed 1987·Granted Dec 8, 1987·113 cites·5 claims
- 0562US10882680B2Container for both cryopreservation and transportationTAIYO NIPPON SANSO CORP·Filed 2018·Granted Jan 5, 2021·1 cites·11 claims
- 0659US4832144APosition detectorWACOM CO LTD·Filed 1988·Granted May 23, 1989·26 cites·8 claims
- 0751USRE35329EElectronic blackboard and accessories such as writing toolsWACOM CO LTD·Filed 1993·Granted Sep 17, 1996·19 cites·87 claims
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