Inventor · disambiguated record
Kiyonobu Okamura
Also filed as: OKAMURA KIYONOBU
5 granted patents·120 citations·filing 1977–1990
83Inventor score
Files withMITSUBISHI RAYON CO5
Top patents by PatentIndex Score
5 records- 0188US4147574ASuede-like sheet materials and method of producing the sameMITSUBISHI RAYON CO·Filed 1977·Granted Apr 3, 1979·28 cites·27 claims
- 0287US4384023APorous polyethylene filmMITSUBISHI RAYON CO·Filed 1981·Granted May 17, 1983·55 cites·5 claims
- 0378US4368227ASuede-like sheet materials of ultrafine fibersMITSUBISHI RAYON CO·Filed 1980·Granted Jan 11, 1983·17 cites·12 claims
- 0460US5043216APorous polyethylene fibersMITSUBISHI RAYON CO·Filed 1989·Granted Aug 27, 1991·12 cites·4 claims
- 0534US5057218APorous membrane and production process thereofMITSUBISHI RAYON CO·Filed 1990·Granted Oct 15, 1991·8 cites·6 claims
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