Tokyo Ink Mfg. Co., Ltd.
6Patents
2Active
6Granted
35Portfolio score
Filing activity: Mar 23, 1995 → Jun 18, 2009 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5864834A | Method and apparatus for estimating a special reflectance distribution or a spectral transmittance distribution using illuminant-independent characteristic parameters | Physics | 30 | Expired |
| US5913971A | Inkjet ink and process for the production thereof | Chemistry; Metallurgy | 25 | Expired |
| US6567205B1 | Exposure device | Physics | 12 | Expired |
| US7147704B2 | Pigment dispersing agent, pigment composition and pigment dispersion | Chemistry; Metallurgy | 4 | Expired |
| US8362100B2 | Ink curable with actinic energy ray and printed matter | Emerging Cross-Sectional Technologies | 1 | Active |
| US7948623B2 | Method for evaluating color filter, color filter and liquid crystal display device | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.