Inventor · disambiguated record
Masayoshi Oshima
Also filed as: OSHIMA MASAYOSHI
9 granted patents·3 pending applications·187 citations·filing 1988–2022
90Inventor score
Top patents by PatentIndex Score
12 records- 0190US5191026ARing-opening hydrogenated copolymer and process for producing the sameNIPPON ZEON CO·Filed 1988·Granted Mar 2, 1993·47 cites·35 claims
- 0286US5585989AMagnetic disc substrate and a magnetic disc using the sameSONY CORP·Filed 1994·Granted Dec 17, 1996·41 cites·26 claims
- 0377US5580934ARing-opening hydrogenated copolymer and process for producing the sameNIPPON ZEON CO·Filed 1988·Granted Dec 3, 1996·23 cites·23 claims
- 0466US5043395ANovel optical materialNIPPON ZEON CO·Filed 1989·Granted Aug 27, 1991·17 cites·9 claims
- 0563US5034482AProcess for producing polymer by ring-opening polymerizationNIPPON ZEON CO·Filed 1990·Granted Jul 23, 1991·13 cites·20 claims
- 0659US5063096AOptical diskNIPPON ZEON CO·Filed 1990·Granted Nov 5, 1991·19 cites·11 claims
- 0758US5061771ARing-opened polymer from norbornene type of polycyclic monomer and process for producing the polymerNIPPON ZEON CO·Filed 1989·Granted Oct 29, 1991·10 cites·11 claims
- 0856US6066380ADisc medium substrate and disc deviceSONY CORP·Filed 1997·Granted May 23, 2000·12 cites·14 claims
- 0947US2009220847A1Fuel container for fuel cellZEON CORP·Filed 2005·Application pending·0 cites
- 1044US5143979AMolding materialNIPPON ZEON CO·Filed 1990·Granted Sep 1, 1992·5 cites·18 claims
- 1144US2022260142A1Rotary device and power transmission deviceEXEDY CORP·Filed 2022·Application pending·0 cites
- 1239US2008285144A1Optical ElementZEON CORP·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →