Inventor · disambiguated record
Hidehiko Ishikawa
Also filed as: ISHIKAWA HIDEHIKO · IZAWA KIYOSHI
15 granted patents·196 citations·filing 1974–1990
93Inventor score
Top patents by PatentIndex Score
15 records- 0193US4211558AColor printing methodKONISHIROKU PHOTO IND·Filed 1978·Granted Jul 8, 1980·36 cites·2 claims
- 0291US4182560AColor printing methodKONISHIROKU PHOTO IND·Filed 1978·Granted Jan 8, 1980·26 cites·6 claims
- 0374US4683198ANovel maltose dehydrogenase, process for its production, and analytical method using the sameTOYO JOZO KK·Filed 1984·Granted Jul 28, 1987·27 cites·22 claims
- 0472US4427771AAssay method for amylase activity and method of producing maltose dehydrogenase for use thereinTOYO JOZO KK·Filed 1981·Granted Jan 24, 1984·25 cites·8 claims
- 0571US4767712AAssay method using nad synthetase and a process for production of the enzymeTOYO JOZO KK·Filed 1984·Granted Aug 30, 1988·10 cites·1 claims
- 0668US4605615AL-glutamic acid oxidase (H2 O2 -generating), its production and analytical method thereforTOYO JOZO KK·Filed 1983·Granted Aug 12, 1986·21 cites·14 claims
- 0768US4491631AAssay method for lipid component, assay composition, and process for production of enzyme used thereforTOYO JOZO KK·Filed 1982·Granted Jan 1, 1985·22 cites·23 claims
- 0844US5206146AAssay method using NAD synthetaseASAHI CHEMICAL IND·Filed 1990·Granted Apr 27, 1993·10 cites·6 claims
- 0941US4108668ALight-sensitive silver halide photographic materialsKONISHIROKU PHOTO IND·Filed 1977·Granted Aug 22, 1978·3 cites·10 claims
- 1039US4026706ASilver halide multilayer photosensitive materialKONISHIROKU PHOTO IND·Filed 1974·Granted May 31, 1977·4 cites·8 claims
- 1138US4357425AProcess for producing L-amino acid oxidaseTOYO JOZO KK·Filed 1981·Granted Nov 2, 1982·5 cites·2 claims
- 1233US3982948AProcess for preparing silver halide emulsion containing a rhodium salt and a decomposition product of nucleic acidKONISHIROKU PHOTO CO LTD·Filed 1974·Granted Sep 28, 1976·5 cites·6 claims
- 1331US4346173AProcess for the production of acyl-Coenzyme A oxidaseTOYO JOZO KK·Filed 1980·Granted Aug 24, 1982·1 cites·7 claims
- 1431US4134767ASilver halide photosensitive material for color photographyKONISHIROKU PHOTO IND·Filed 1977·Granted Jan 16, 1979·1 cites·5 claims
- 1529US4331763AProcess for production of ascorbate oxidaseTOYO JOZO KK·Filed 1980·Granted May 25, 1982·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →