Inventor · disambiguated record
Tetsuo Kumasaka
Also filed as: KUMASAKA TETSUO
2 granted patents·173 citations·filing 1992–1997
70Inventor score
Files withOKUTAMA KOGYO CO LTD2
Top patents by PatentIndex Score
2 records- 0189US5230734ACalcium-magnesium carbonate composite and method for the preparation thereofOKUTAMA KOGYO CO LTD·Filed 1992·Granted Jul 27, 1993·78 cites·5 claims
- 0284US5879442AAqueous slurry of precipitated calcium carbonate and ground calcium carbonate in combinationOKUTAMA KOGYO CO LTD·Filed 1997·Granted Mar 9, 1999·95 cites·4 claims
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