Inventor · disambiguated record
Tsukasa Maekawa
Also filed as: MAEKAWA TSUKASA
7 granted patents·49 citations·filing 1982–1998
83Inventor score
Top patents by PatentIndex Score
7 records- 0179US4465868AProcess for preparing o-methallyloxyphenolOTSUKA KAGAKU YAKUHIN·Filed 1982·Granted Aug 14, 1984·19 cites·17 claims
- 0260US5241117AProcess for producing semicarbazideOTSUKA KAGAKU KK·Filed 1991·Granted Aug 31, 1993·8 cites·19 claims
- 0357US4465867AProcess for preparing o-methallyloxyphenolOTSUKA KAGAKU YAKUHIN·Filed 1982·Granted Aug 14, 1984·6 cites·6 claims
- 0444US5981764AProcess for producing 1-aminopyrrolidine, and 1-aminopyrrolidine according to the processOTSUKA CHEMICAL CO LTD·Filed 1998·Granted Nov 9, 1999·3 cites·3 claims
- 0538US4451662AProcess for preparing 2,3-dihydro-2,2-dimethyl-7-hydroxybenzofuranOTSUKA KAGAKU YAKUHIN·Filed 1982·Granted May 29, 1984·1 cites·10 claims
- 0637US6399201B1Blowing agent powder and process for producing the sameOTSUKA CHEMICAL CO LTD·Filed 1998·Granted Jun 4, 2002·9 cites·20 claims
- 0730US6355698B1Substantially anhydrous foaming agent and process for producing the sameOTSUKA CHEMICAL CO LTD·Filed 1998·Granted Mar 12, 2002·3 cites·9 claims
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