Shigeki Hamaguchi
14Patents
7h-index
35Co-inventors
66Inventor score
Filing activity: Oct 27, 1980 → Sep 15, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4874664A | Birefringent plate and manufacturing method for the same | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4813768A | Liquid crystal device having an oblique evaporation film which is protected by a protective layer | Physics | 23 | Expired |
| US4898822A | Process for preparing optically active indoline-2-carboxylic acid | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6153694A | Graft copolymer particles and thermoplastic resin compositions | Chemistry; Metallurgy | 11 | Expired |
| US4745066A | Method for producing optically active glycol derivatives | Chemistry; Metallurgy | 8 | Expired |
| US4588694A | Process for production of optically active oxazolidinone derivative | Chemistry; Metallurgy | 7 | Expired |
| US5652276A | Foaming resin composition, plastic foam formed from the composition, and method for forming the plastic foam | Chemistry; Metallurgy | 7 | Expired |
| US5719230A | Powder coating comprising novel curable polyester composition | Chemistry; Metallurgy | 6 | Expired |
| US6339127B1 | Aqueous emulsion containing silicone rubber particles and process for preparing the same | Chemistry; Metallurgy | 5 | Expired |
| US4814506A | Process for preparing 3 halogeno-2-hydroxypropyltrimethylammonium halide | Chemistry; Metallurgy | 4 | Expired |
| US4415657A | Process for preparation of an optically active monoalkyl ester of .beta.-(S)-aminoglutaric acid | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4310635A | Fermentative production of D(-)-.beta.-hydroxyisobutyric acid | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4863859A | Process for preparing optically active glycerol derivatives | Chemistry; Metallurgy | 1 | Expired |
| US6545116B1 | Flame retardant for thermoplastic resin and flame-retardant resin composition | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.