Inventor · disambiguated record
Sumihiko Kawashima
Also filed as: KAWASHIMA SUMIHIKO
3 granted patents·44 citations·filing 1988–1994
72Inventor score
Files withTOYO BOSEKI3
Top patents by PatentIndex Score
3 records- 0152US5296940AImage processing method and apparatus for converting gray-scale images into binary imagesTOYO BOSEKI·Filed 1991·Granted Mar 22, 1994·17 cites·7 claims
- 0241US4932242ACapillary type viscosimeterTOYO BOSEKI·Filed 1988·Granted Jun 12, 1990·14 cites·13 claims
- 0338US5481376AMethod and apparatus for improving image qualityTOYO BOSEKI·Filed 1994·Granted Jan 2, 1996·13 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →