Katsuyoshi Kondoh
35Patents
10h-index
35Co-inventors
75Inventor score
Filing activity: Jun 29, 1993 → Mar 26, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10307824B2 | Titanium powder, titanium material, and method for producing titanium powder containing solid-soluted oxygen | Performing Operations; Transporting | 108 | Active |
| US10213837B2 | Titanium powder containing solid-soluted nitrogen, titanium material, and method for producing titanium powder containing solid-soluted nitrogen | Performing Operations; Transporting | 107 | Active |
| US5824923A | Sintered friction material, composite copper alloy powder used therefor and manufacturing method thereof | Performing Operations; Transporting | 32 | Expired |
| US6089843A | Sliding member and oil pump | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5922452A | Titanium and/or titanium alloy sintered friction material | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6042631A | ALN dispersed powder aluminum alloy and method of preparing the same | Performing Operations; Transporting | 14 | Expired |
| US6159419A | ALN dispersed powder aluminum alloy and method of preparing the same | Performing Operations; Transporting | 12 | Expired |
| US5976214A | Slide member of sintered aluminum alloy and method of manufacturing the same | Performing Operations; Transporting | 12 | Expired |
| US5518519A | Sintered contact component | Chemistry; Metallurgy | 12 | Expired |
| US5338168A | Oil pump made of aluminum alloys | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5975256A | Drum brake especially for a two-wheeled vehicle | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5972070A | Sintered friction material, composite copper alloy powder used therefor and manufacturing method thereof | Performing Operations; Transporting | 6 | Expired |
| US5460639A | Sintered contact component | Performing Operations; Transporting | 6 | Expired |
| US6068094A | Sintered friction material | Chemistry; Metallurgy | 5 | Expired |
| US5753725A | Dry friction material and method of preparing the same | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US8273290B2 | Composite metal material and method for producing the same | Chemistry; Metallurgy | 2 | Active |
| US7998448B2 | Amorphous silica and its manufacturing method | Performing Operations; Transporting | 1 | Active |
| US8178067B2 | Method of making amorphous silicon powder | Emerging Cross-Sectional Technologies | 1 | Active |
| US5501833A | Method of making sintered contact component | Performing Operations; Transporting | 1 | Expired |
| US7052526B2 | Magnesium base composite material and its manufacturing method | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US7909948B2 | Alloy powder raw material and its manufacturing method | Emerging Cross-Sectional Technologies | 0 | Active |
| US10807164B2 | Nitrogen solid solution titanium sintered compact and method for producing same | Performing Operations; Transporting | 0 | Active |
| US10807910B2 | Cementitious material for radioactive waste disposal facility | Emerging Cross-Sectional Technologies | 0 | Active |
| US7922967B2 | High-strength and high-toughness magnesium based alloy, driving system part using the same and manufacturing method of high-strength and high-toughness magnesium based alloy material | Performing Operations; Transporting | 0 | Active |
| US7110136B1 | Reading apparatus and data processing system | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.