Naoki Asanuma
15Patents
6h-index
40Co-inventors
62Inventor score
Filing activity: Jul 23, 1993 → Mar 10, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6146822A | Thermographic or photothermographic image recording elements | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5952167A | Photothermographic materials | Physics | 13 | Expired |
| US6689554B2 | Silver handle emulsion and silver halide photographic lightsensitive material | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6120983A | Photothermographic material, novel 2,3-dihydrothiazole derivative, and photographic silver halide photosensitive material | Physics | 11 | Expired |
| US6383276B1 | Azomethine compound and oily magenta ink | Chemistry; Metallurgy | 9 | Expired |
| US6132949A | Photothermographic material | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5869229A | Photothermographic material | Physics | 6 | Expired |
| US6074813A | Polyhalomethane compound and photosensitive material | Physics | 6 | Expired |
| US6444333B1 | Organic luminescent device material, organic luminescent device using the same, and tetraarylmethane compound | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6855488B2 | Silver halide photosensitive material | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5691271A | Indolylazaphthalides and recording materials containing the same | Performing Operations; Transporting | 3 | Expired |
| US6608061B2 | Bisaryl compound and medicament for cancer treatment comprising the same | Chemistry; Metallurgy | 2 | Expired |
| US5397689A | Silver halide photographic material | Physics | 1 | Expired |
| US6686140B2 | Silver halide photosensitive material | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5464731A | Silver halide color photographic material | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.