Ippei Nakamura
58Patents
8h-index
37Co-inventors
78Inventor score
Filing activity: Apr 20, 1998 → Mar 17, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6132929A | Positive type photosensitive composition for infrared lasers | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6083658A | Negative working image recording material | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6096479A | Photosensitive lithographic form plate using an image-forming material | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6797449B2 | Negative image-recording material and cyanine dye | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6720125B2 | Image recording material | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6514656B1 | Positive type image forming material | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6733948B2 | Negative image-recording material | Performing Operations; Transporting | 10 | Expired |
| US6410203B1 | Positive-type planographic printing material | Performing Operations; Transporting | 9 | Expired |
| US7806050B2 | Ink composition, inkjet recording method, method of producing planographic printing plate, and planographic printing plate | Performing Operations; Transporting | 8 | Active |
| US6692896B2 | Heat mode-compatible planographic printing plate | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7135271B2 | Photosensitive composition | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6602648B2 | Image-Forming material and planographic printing original plate using same | Emerging Cross-Sectional Technologies | 8 | Expired |
| US8128843B2 | Photocurable composition, photocurable ink composition, process for producing photocured material, and inkjet recording method | Chemistry; Metallurgy | 7 | Active |
| US7553605B2 | Ink composition, inkjet recording method, printed material, and process for producing lithographic printing plate | Emerging Cross-Sectional Technologies | 6 | Active |
| US6355396B1 | Photosensitive composition and planographic printing plate precursor using same | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6383714B1 | Image recording material and planographic printing plate using same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7959279B2 | Ink composition, ink jet recording method, method for producing planographic printing plate and planographic printing plate | Chemistry; Metallurgy | 5 | Active |
| US6333133A | Positive planographic printing material | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6689534B2 | Planographic printing original plate | Performing Operations; Transporting | 3 | Expired |
| US6958206B2 | Image recording material and lithographic printing plate precursor | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7371504B2 | Lithographic printing plate precursor | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7741380B2 | Ink composition, ink jet recording method, method for producing planographic printing plate and planographic printing plate | Emerging Cross-Sectional Technologies | 3 | Active |
| US6720128B2 | Positive resist composition | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6727037B2 | Image-formation material and infrared absorber | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7087362B2 | Heat mode-compatible planographic printing plate | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.