Inventor · disambiguated record
Yoshiaki Yasumasa
Also filed as: YASUMASA YOSHIAKI
2 granted patents·62 citations·filing 1976–1978
65Inventor score
Technology areasG01N
Files withSUMITOMO CHEMICAL CO2
Top patents by PatentIndex Score
2 records- 0184US4332591AAnalytical method and apparatus for the determination of total nitrogen contents in aqueous systemsSUMITOMO CHEMICAL CO·Filed 1978·Granted Jun 1, 1982·46 cites·4 claims
- 0253US4066402AAnalytical method and apparatus for determination of total nitrogen and/or carbon contents in aqueous systemsSUMITOMO CHEMICAL CO·Filed 1976·Granted Jan 3, 1978·16 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →