Inventor · disambiguated record
Tatsuo Heki
Also filed as: HEKI TATSUO
23 granted patents·1 pending application·199 citations·filing 1982–2010
95Inventor score
Top patents by PatentIndex Score
24 records- 0195US4933265AProcess for forming direct positive color imageFUJI PHOTO FILM CO LTD·Filed 1989·Granted Jun 12, 1990·56 cites·6 claims
- 0285US4801520ADirect positive color light-sensitive material comprising a DIR coupler and a pyrazoloazole coupler, and a process for forming a direct positive imageFUJI PHOTO FILM CO LTD·Filed 1987·Granted Jan 31, 1989·18 cites·18 claims
- 0378US4789627AMethod for forming direct positive color imagesFUJI PHOTO FILM CO LTD·Filed 1987·Granted Dec 6, 1988·14 cites·15 claims
- 0476US4816290AProcess of forming solid granular filmFUJI PHOTO FILM CO LTD·Filed 1987·Granted Mar 28, 1989·12 cites·14 claims
- 0569US4469784ASilver halide emulsionsFUJI PHOTO FILM CO LTD·Filed 1982·Granted Sep 4, 1984·11 cites·13 claims
- 0665US4914009AProcess for forming direct positive color image comprising the use of bleach acceleratorsFUJI PHOTO FILM CO LTD·Filed 1987·Granted Apr 3, 1990·9 cites·6 claims
- 0765US4871653AProcess for forming direct-positive imageFUJI PHOTO FILM CO LTD·Filed 1987·Granted Oct 3, 1989·9 cites·6 claims
- 0862US4880729AMethod for forming direct positive image comprising developing with a combination of a nucleating agent and a hydrazine derivativeFUJI PHOTO FILM CO LTD·Filed 1987·Granted Nov 14, 1989·8 cites·21 claims
- 0960US6936403B2Recording mediumFUJI PHOTO FILM CO LTD·Filed 2002·Granted Aug 30, 2005·3 cites·18 claims
- 1060US4859579ASilver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1988·Granted Aug 22, 1989·5 cites·11 claims
- 1154US4863839ADirect positive color image forming processFUJI PHOTO FILM CO LTD·Filed 1987·Granted Sep 5, 1989·6 cites·4 claims
- 1253US4956267AMethod for forming a direct positive color imageFUJI PHOTO FILM CO LTD·Filed 1988·Granted Sep 11, 1990·6 cites·10 claims
- 1348US4835091AProcess for forming a direct positive imageFUJI PHOTO FILM CO LTD·Filed 1987·Granted May 30, 1989·5 cites·20 claims
- 1447US4863845AInternal latent image type direct positive silver halide emulsions and process for producing the sameFUJI PHOTO FILM CO LTD·Filed 1987·Granted Sep 5, 1989·11 cites·36 claims
- 1545US4970140ADirect positive photographic light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1988·Granted Nov 13, 1990·4 cites·16 claims
- 1644US5009993ADirect positive photographic materialFUJI PHOTO FILM CO LTD·Filed 1989·Granted Apr 23, 1991·3 cites·5 claims
- 1741US4877723ASilver halide photographic material comprising a specified nucleating agentFUJI PHOTO FILM CO LTD·Filed 1987·Granted Oct 31, 1989·3 cites·10 claims
- 1840US4857445ADirect positive photo-sensitive materialsFUJI PHOTO FILM CO LTD·Filed 1987·Granted Aug 15, 1989·3 cites·17 claims
- 1938US4880727ADirect positive photographic materialFUJI PHOTO FILM CO LTD·Filed 1987·Granted Nov 14, 1989·2 cites·2 claims
- 2037US4954427AProcess for the formation of direct positive imagesFUJI PHOTO FILM CO LTD·Filed 1987·Granted Sep 4, 1990·2 cites·32 claims
- 2137US2011054943A1Radiography management system and methodFUJIFILM CORP·Filed 2010·Application pending·0 cites
- 2236US5364750ADirect positive silver halide photosensitive materialFUJI PHOTO FILM CO LTD·Filed 1993·Granted Nov 15, 1994·1 cites·15 claims
- 2335US4948712ADirect positive photographic materials and a method of forming direct positive imagesFUJI PHOTO FILM CO LTD·Filed 1987·Granted Aug 14, 1990·4 cites·12 claims
- 2435US4397943ASilver halide photographic light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1982·Granted Aug 9, 1983·4 cites·16 claims
Join the waitlist — get patent alerts
Get an alert when Tatsuo Heki 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 →