Inventor · disambiguated record

Keishiro Hiraga

Also filed as: HIRAGA KEISHIRO

2 granted patents·7 citations·filing 1979–1980

51Inventor score

Technology areasB29C B29D

Files withASAHI CHEMICAL IND2

Top patents by PatentIndex Score

2 records

0133US4247507AExtruded rigid thermoplastic sheet having optically smooth surfacesASAHI CHEMICAL IND·Filed 1979·Granted Jan 27, 1981·6 cites·6 claims
0225US4327149AExtruded rigid thermoplastic sheet having optically smooth surfacesASAHI CHEMICAL IND·Filed 1980·Granted Apr 27, 1982·1 cites·4 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →