Inventor · disambiguated record
Katsuaki Iwaosa
Also filed as: IWAOSA KATSUAKI
11 granted patents·97 citations·filing 1979–1988
90Inventor score
Files withMITSUBISHI PAPER MILLS LTD11
Top patents by PatentIndex Score
11 records- 0173US4416977ASilver halide photographic photosensitive materialMITSUBISHI PAPER MILLS LTD·Filed 1982·Granted Nov 22, 1983·13 cites·12 claims
- 0268US4330617APhotographic elements containing novel developing agent precursorsMITSUBISHI PAPER MILLS LTD·Filed 1981·Granted May 18, 1982·11 cites·16 claims
- 0365US4666827ASilver halide photographic emulsionMITSUBISHI PAPER MILLS LTD·Filed 1985·Granted May 19, 1987·9 cites·9 claims
- 0463US4335200ASilver halide photographic materialsMITSUBISHI PAPER MILLS LTD·Filed 1981·Granted Jun 15, 1982·9 cites·4 claims
- 0561US4376818ANovel hardener for gelatin and method for hardening gelatinMITSUBISHI PAPER MILLS LTD·Filed 1980·Granted Mar 15, 1983·9 cites·19 claims
- 0660US4420554ASilver halide photosensitive materialsMITSUBISHI PAPER MILLS LTD·Filed 1982·Granted Dec 13, 1983·18 cites·10 claims
- 0759US4910129ASilver halide photographic light sensitive materialMITSUBISHI PAPER MILLS LTD·Filed 1988·Granted Mar 20, 1990·8 cites·5 claims
- 0859US4818676ASilver halide photographic emulsionMITSUBISHI PAPER MILLS LTD·Filed 1986·Granted Apr 4, 1989·8 cites·7 claims
- 0949US4892812ASilver halide photosensitive materialsMITSUBISHI PAPER MILLS LTD·Filed 1986·Granted Jan 9, 1990·5 cites·4 claims
- 1036US4254217AHardener-incorporated gelatin compositionMITSUBISHI PAPER MILLS LTD·Filed 1979·Granted Mar 3, 1981·4 cites·12 claims
- 1134US4863843ASilver halide photographic emulsion containing predominantly silver bromideMITSUBISHI PAPER MILLS LTD·Filed 1985·Granted Sep 5, 1989·3 cites·13 claims
Join the waitlist — get patent alerts
Get an alert when Katsuaki Iwaosa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →