Masayoshi Ichikawa
46Patents
11h-index
80Co-inventors
78Inventor score
Filing activity: Nov 19, 1982 → Aug 27, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5936023A | Method of manufacturing composite material of clay mineral and rubber | Chemistry; Metallurgy | 51 | Expired |
| US4606952A | Rubber laminate | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6110546A | Automobile weather strip and method for making the same | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5356681A | Multi-layer rubber hose and method for producing the same | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7417220B2 | Solid state device and light-emitting element | Emerging Cross-Sectional Technologies | 17 | Expired |
| US7253443B2 | Electronic device with integrally formed light emitting device and supporting member | Electricity | 16 | Expired |
| US4486480A | Rubber hose comprising a liquid nitrile-butadiene copolymer incorporated into a partially hydrogenated unsaturated acrylonitrile-butadiene copolymer | Emerging Cross-Sectional Technologies | 15 | Expired |
| US7525593B2 | Position detection apparatus, position detection method, testing apparatus, and camera module manufacturing apparatus | Physics | 13 | Active |
| US6133413A | Method of manufacturing devulcanized rubber using high temperature and shearing pressure | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6071582A | Rubber layer structure | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5506322A | Acrylic rubber composition and rubber hose obtained using the same | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4645788A | Chloroprene rubber composition | Chemistry; Metallurgy | 11 | Expired |
| US5279874A | Ethylene-propylene rubber compositions | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6362802B1 | Method and apparatus for acquiring an image for inspection of a flat panel display | Physics | 11 | Expired |
| US5922811A | Ethylene propylene rubber blend and hose formulated from the same | Chemistry; Metallurgy | 10 | Expired |
| US5798158A | Layered molding including fluoroplastic layer crosslinked with rubber layer | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6584236B1 | Image processing apparatus and method for image processing | Physics | 9 | Expired |
| US5917957A | Method of and apparatus for processing an image | Physics | 8 | Expired |
| US4904736A | Acrylic rubber composition | Chemistry; Metallurgy | 7 | Expired |
| US6037062A | Layered molding | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7193728B2 | Processing apparatus, processing method and position detecting device | Physics | 6 | Expired |
| US8017967B2 | Light-emitting element including a fusion-bonding portion on contact electrodes | Emerging Cross-Sectional Technologies | 5 | Active |
| US5214103A | Ethylene-propylene type rubber composition | Chemistry; Metallurgy | 4 | Expired |
| US5418203A | Fuel absorbent and a process for making the fuel absorbent | Chemistry; Metallurgy | 4 | Expired |
| US6500561B1 | Automobile weatherstripping | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.