Inventor · disambiguated record
Hishao Fukui
Also filed as: FUKUI HISHAO
3 granted patents·22 citations·filing 1980–1984
66Inventor score
Technology areasB43K
Files withPENTEL KK3
Top patents by PatentIndex Score
3 records- 0157US4364684AWriting instrumentPENTEL KK·Filed 1980·Granted Dec 21, 1982·15 cites·9 claims
- 0232US4525092ATubular writing tip having an outer reduced diameter portionPENTEL KK·Filed 1982·Granted Jun 25, 1985·4 cites·4 claims
- 0329US4626120AResilient writing nib with offset flattened portionPENTEL KK·Filed 1984·Granted Dec 2, 1986·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →