Inventor · disambiguated record
Katsutoshi Yamahira
Also filed as: YAMAHIRA KATSUTOSHI
4 granted patents·89 citations·filing 1987–1991
79Inventor score
Technology areasC05G
Files withCHISSO CORP4
Top patents by PatentIndex Score
4 records- 0181US5176734AGranular fertilizer with a decomposable coating and process for producing the sameCHISSO CORP·Filed 1991·Granted Jan 5, 1993·37 cites·18 claims
- 0276US5147442ACoated granular fertilizerCHISSO CORP·Filed 1989·Granted Sep 15, 1992·27 cites·13 claims
- 0374US4881963AGranuler fertilizer with a degradative coatingCHISSO CORP·Filed 1987·Granted Nov 21, 1989·18 cites·9 claims
- 0453US5009696AFertilizer with a degradative coatingCHISSO CORP·Filed 1988·Granted Apr 23, 1991·7 cites·20 claims
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