Inventor · disambiguated record
Hiroyuki Tohda
Also filed as: TOHDA HIROYUKI
5 granted patents·132 citations·filing 1981–1988
83Inventor score
Files withPHOTOPOLY OHKA CO LTD2DAINIPPON PRINTING CO LTD1TOKYO OHKA KOGYO CO LTD1TOYKO OHKA KOGYO CO LTD1
Top patents by PatentIndex Score
5 records- 0188US4904571ARemover solution for photoresistTOKYO OHKA KOGYO CO LTD·Filed 1988·Granted Feb 27, 1990·60 cites·10 claims
- 0271US4384011AProcess for producing gravure printing platesDAINIPPON PRINTING CO LTD·Filed 1981·Granted May 17, 1983·25 cites·9 claims
- 0369US4557996AMethod for providing a pattern-wise photoresist layer on a substrate plate and a surface-protected substrate plate thereforPHOTOPOLY OHKA CO LTD·Filed 1984·Granted Dec 10, 1985·25 cites·10 claims
- 0451US4996132AHeat-resistant photosensitive resin compositionTOYKO OHKA KOGYO CO LTD·Filed 1988·Granted Feb 26, 1991·12 cites·21 claims
- 0540US4741987APhotopolymerizable composition including benzotriazole carboxylic acidPHOTOPOLY OHKA CO LTD·Filed 1987·Granted May 3, 1988·10 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →