Tomohiko Ihara
19Patents
8h-index
26Co-inventors
68Inventor score
Filing activity: Mar 1, 1991 → Jul 21, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5709722A | Particulate trap for diesel engine | Emerging Cross-Sectional Technologies | 58 | Expired |
| US5961931A | Particulate trap | Emerging Cross-Sectional Technologies | 34 | Expired |
| US5863311A | Particulate trap for diesel engine | Emerging Cross-Sectional Technologies | 26 | Expired |
| US7416815B2 | Negative electrode member for lithium battery and process for producing the same | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5486220A | Exhaust gas purification filter | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5776419A | Exhaust purifying filter material and method for manufacturing the same | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5348792A | Multilayered wiring board with wiring configurations to reduce crosstalk | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5134459A | Lead frame for semiconductor device | Electricity | 10 | Expired |
| US5803991A | Corrosion-resistant metallic porous member and method of manufacturing the same | Chemistry; Metallurgy | 6 | Expired |
| US5672387A | Process for the production of heat- and corrosion-resistant porous metal body | Chemistry; Metallurgy | 6 | Expired |
| US5643684A | Unwoven metal fabric | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6231817A | Exhaust emission control device and method of manufacturing the same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5582867A | Corrosion-resistant metallic porous member and method of manufacturing the same | Chemistry; Metallurgy | 5 | Expired |
| US5725750A | Process for producing porous iron metal body | Chemistry; Metallurgy | 3 | Expired |
| US6939824B2 | Exhaust emission control device and method of manufacturing the same | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5747112A | Process for the production of heat- and corrosion-resistant porous metal body | Chemistry; Metallurgy | 2 | Expired |
| US5353499A | Method of manufacturing a multilayered wiring board | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7622225B2 | Lithium secondary battery negative-electrode component material and lithium secondary battery | Emerging Cross-Sectional Technologies | 1 | Active |
| US7678181B2 | Hydrogen permeable membrane, fuel cell and hydrogen extracting apparatus equipped with the hydrogen permeable membrane, and method of manufacturing the hydrogen permeable membrane | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.