Inventor · disambiguated record
Masatoshi Arakawa
Also filed as: ARAKAWA MASATOSHI
9 granted patents·116 citations·filing 1975–1984
88Inventor score
Top patents by PatentIndex Score
9 records- 0191US4504692AProcess for producing 1,3-butadieneJAPAN SYNTHETIC RUBBER CO LTD·Filed 1984·Granted Mar 12, 1985·56 cites·4 claims
- 0269US4246427AProcess for producing methacrylic acidJAPAN SYNTHETIC RUBBER CO LTD·Filed 1978·Granted Jan 20, 1981·8 cites·9 claims
- 0368US4329492AProcess for production of methacrylic acid estersANDOH NAOKI·Filed 1980·Granted May 11, 1982·14 cites·1 claims
- 0465US4147848AProcess for purification of isopreneJAPAN SYNTHETIC RUBBER CO LTD·Filed 1977·Granted Apr 3, 1979·13 cites·13 claims
- 0558US4048147ACarboxylic acid of cyclopentadiene derivative, salt thereof, or ester thereof and process for producing these compositionsJAPAN SYNTHETIC RUBBER CO LTD·Filed 1975·Granted Sep 13, 1977·5 cites·34 claims
- 0650US4390717AProcess for preparing carboxylic acid esters of dicyclopentadienesJAPAN SYNTHETIC RUBBER CO LTD·Filed 1981·Granted Jun 28, 1983·4 cites·21 claims
- 0743US4138419ACyclopentadiene derivativeJAPAN SYNTHETIC RUBBER CO LTD·Filed 1977·Granted Feb 6, 1979·8 cites·14 claims
- 0841US4401515AProcess for producing 1,3-butadiene or 2-methyl-1,3-butadiene having high purityJAPAN SYNTHETIC RUBBER CO LTD·Filed 1981·Granted Aug 30, 1983·8 cites·19 claims
- 0926US4370447AUnsaturated polyester resin compositionsJAPAN SYNTHETIC RUBBER CO LTD·Filed 1980·Granted Jan 25, 1983·0 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →