Inventor · disambiguated record
Wataru Ishii
Also filed as: ISHII WATARU
7 granted patents·1 pending application·147 citations·filing 1984–2022
86Inventor score
Top patents by PatentIndex Score
8 records- 0190US4737438ANegative-working photosensitive composition comprising a diphenylamine-melamine condensate and an azide compoundTOKYO OHKA KOGYO CO LTD·Filed 1986·Granted Apr 12, 1988·61 cites·7 claims
- 0281US4590149AMethod for fine pattern formation on a photoresistTOKYO OHKA KOGYO CO LTD·Filed 1984·Granted May 20, 1986·35 cites·1 claims
- 0362US4702992AMethod of preparing photoresist material with undercoating of photoextinction agent and condensation productTOKYO OHKA KOGYO CO LTD·Filed 1985·Granted Oct 27, 1987·16 cites·7 claims
- 0458US2023201806A1Catalyst composition, hydrocarbon partial oxidizer, and fuel cell systemMITSUI MINING & SMELTING CO LTD·Filed 2022·Application pending·0 cites
- 0553US5716753APositive-working quinone diazide resist composition containing organic phosphoric compound and an amine and process for the formation of fine pattern using sameFUJI PHOTO FILM CO LTD·Filed 1996·Granted Feb 10, 1998·15 cites·3 claims
- 0649US5380618AMicropattern-forming material having a low molecular weight novolak resin, a quinone diazide sulfonyl ester and a solventFUJI PHOTO FILM CO LTD·Filed 1994·Granted Jan 10, 1995·10 cites·7 claims
- 0742US4902770AUndercoating material for photosensitive resinsTOKYO OHKA KOGYO CO LTD·Filed 1987·Granted Feb 20, 1990·6 cites·7 claims
- 0832US4588675AMethod for fine pattern formation on a photoresistTOKYO OHKA KOGYO CO LTD·Filed 1984·Granted May 13, 1986·4 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when Wataru Ishii 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 →