Yoshihiro Yamamoto
115Patents
13h-index
194Co-inventors
89Inventor score
Filing activity: Nov 24, 1975 → Jan 4, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4203733A | Aluminum nitride sintered body coated with alumina | Chemistry; Metallurgy | 33 | Expired |
| US5626982A | Heat insulating pad material, particularly for use in battery shield and manufacture of the same | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5312881A | Method for catalytic polymerization of substituted acrylates | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4325710A | Sintered ceramics for cutting tools and manufacturing process thereof | Performing Operations; Transporting | 18 | Expired |
| US4518398A | Manufacturing process for sintered ceramic body for cutting tools | Chemistry; Metallurgy | 17 | Expired |
| US6559579B2 | Alumina-based sintered body insulator for spark plugs | Electricity | 17 | Expired |
| US4331627A | Alumina sintered products and process for their production | Chemistry; Metallurgy | 16 | Expired |
| US4930004A | Automatic level adjusting system for a television receiver | Electricity | 16 | Expired |
| US4150984A | Tungsten carbide-base sintered alloys and method for production thereof | Chemistry; Metallurgy | 15 | Expired |
| US7253040B2 | Fabrication method of semiconductor device | Electricity | 15 | Expired |
| US6159885A | Alumina-based sintered material | Chemistry; Metallurgy | 15 | Expired |
| US5179224A | Preparation process of cinnamate ester | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6009828A | Method for forming a thin semiconductor film and a plasma CVD apparatus to be used in the method | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6130504A | Plasma addressing display device and method for producing the same | Electricity | 13 | Expired |
| US5487786A | Plasma chemical vapor deposition device capable of suppressing generation of polysilane powder | Electricity | 12 | Expired |
| US4204873A | Sintered ceramic body for cutting tools | Chemistry; Metallurgy | 11 | Expired |
| US6372854B1 | Hydrogenated ring-opening metathesis polymer and its use and production | Chemistry; Metallurgy | 10 | Expired |
| US4812773A | Filter adjustment apparatus and method | Electricity | 9 | Expired |
| US8523964B2 | Hydrogen generating device as well as fuel cell power generating device, electric automobile, sumbergible ship and hydrogen supply system using the same | Emerging Cross-Sectional Technologies | 9 | Active |
| US5618758A | Method for forming a thin semiconductor film and a plasma CVD apparatus to be used in the method | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4526875A | Ceramic material for cutting tools and process for the production thereof | Chemistry; Metallurgy | 9 | Expired |
| US4841461A | Filter adjustment apparatus and method | Electricity | 9 | Expired |
| US4065301A | Method for producing titanium nitride-base sintered alloys | Chemistry; Metallurgy | 9 | Expired |
| US8114658B2 | Method of moisturizing skin | Human Necessities | 9 | Active |
| US6875819B2 | Fluorinated cycloolefin polymers, processes for preparation of fluorinated cycloofefin monomers and polymers thereof, and use of the same | Chemistry; Metallurgy | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.