Inventor · disambiguated record

Masao Okushima

Also filed as: OKUSHIMA MASAO

4 granted patents·7 citations·filing 1985–1996

64Inventor score

Technology areasG03C

Files withMITSUBISHI PAPER MILLS LTD4

Top patents by PatentIndex Score

4 records

0150US5300410ADeveloper for silver halide photographic light-sensitive materialMITSUBISHI PAPER MILLS LTD·Filed 1993·Granted Apr 5, 1994·4 cites·8 claims
0234US4863843ASilver halide photographic emulsion containing predominantly silver bromideMITSUBISHI PAPER MILLS LTD·Filed 1985·Granted Sep 5, 1989·3 cites·13 claims
0331US5624792ASilver halide photographic photosensitive materialMITSUBISHI PAPER MILLS LTD·Filed 1996·Granted Apr 29, 1997·0 cites·2 claims
0431US5536624ASilver halide photographic photosensitive materialMITSUBISHI PAPER MILLS LTD·Filed 1995·Granted Jul 16, 1996·0 cites·2 claims

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