Minoru Hirata
65Patents
9h-index
52Co-inventors
81Inventor score
Filing activity: Apr 20, 1977 → Jan 3, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4793651A | Heat-retaining air-filled seat cover for lumbar support | Emerging Cross-Sectional Technologies | 71 | Expired |
| US4925868A | 4-Hydroxy-3-pyrrolin-2-ones and treatment of circulatory disorders therewith | Chemistry; Metallurgy | 39 | Expired |
| US5353311A | Radio transmitter | Electricity | 28 | Expired |
| US4787049A | Adaptive control apparatus for a machine tool | Physics | 26 | Expired |
| US4436753A | Method for therapy of ischemic disease | Chemistry; Metallurgy | 23 | Expired |
| US6865342B2 | Operation lever apparatus | Physics | 22 | Expired |
| US4299108A | Cage-roll unit for metal pipe forming | Performing Operations; Transporting | 20 | Expired |
| US6470953B1 | Molding method and system with a molding apparatus | Performing Operations; Transporting | 17 | Expired |
| US4411479A | Double row angular contact ball bearing with one-piece outer ring and one-piece inner ring | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6964872B2 | Immunoassay method | Physics | 8 | Expired |
| US7726380B2 | Method for manufacturing sand mold | Performing Operations; Transporting | 8 | Active |
| US4780549A | Ascorbic acid derivatives and their production | Chemistry; Metallurgy | 8 | Expired |
| US6957687B2 | Method and system for monitoring a molding machine | Performing Operations; Transporting | 8 | Expired |
| US4987130A | Substituted amine derivatives, their production and use | Chemistry; Metallurgy | 7 | Expired |
| US4148897A | 1,2-Dihydronaphthalene derivatives and pharmaceutical composition | Chemistry; Metallurgy | 6 | Expired |
| US6752196B2 | Method and device for filling casting sand | Performing Operations; Transporting | 5 | Expired |
| US7191818B2 | Method and apparatus for monitoring a molding machine | Performing Operations; Transporting | 5 | Expired |
| US7341095B2 | Method and apparatus for monitoring a molding machine | Performing Operations; Transporting | 5 | Expired |
| US5409052A | Device for simultaneously forming cope and drag molds | Performing Operations; Transporting | 4 | Expired |
| US7654303B2 | Method and apparatus for molding an upper and a lower mold having no flask | Performing Operations; Transporting | 4 | Expired |
| US4736031A | 2-(piperazinylalkyl)-1-benzothiepin, 1-benzoxepin, and 1,5-benzodioxepin derivatives | Chemistry; Metallurgy | 4 | Expired |
| US4199582A | Piperazine containing dihydronaphthalene derivatives and compositions | Chemistry; Metallurgy | 4 | Expired |
| US6749003B2 | Compressing method for casting sand and device therefor | Performing Operations; Transporting | 3 | Expired |
| US6662855B1 | Molding device and molding method or sand mold | Performing Operations; Transporting | 3 | Expired |
| US4959362A | Pharmaceutical compositions containing certain ascorbic acid derivatives useful in the prophylaxis and treatment of disorders of the circulatory system | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.