Inventor · disambiguated record
Kazumasa Otsubo
Also filed as: OTSUBO KAZUMASA
2 granted patents·1 pending application·51 citations·filing 1991–2007
61Inventor score
Top patents by PatentIndex Score
3 records- 0181US5283193AProcess for producing optically active α-substituted organic acid and microorganism and enzyme used thereforASAHI CHEMICAL IND·Filed 1991·Granted Feb 1, 1994·47 cites·2 claims
- 0271US6916638B2Process for producing glycineASAHI CHEMICAL IND·Filed 2000·Granted Jul 12, 2005·4 cites·32 claims
- 0346US2010061969A1Dietary supplement, anti-fatigue agent or physical endurance enhancer, functional food, or cosmeticASAHI KASEI PHARMA CORP·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →