Masashi Tsujimura
19Patents
12h-index
36Co-inventors
74Inventor score
Filing activity: Sep 15, 2003 → Sep 29, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6935732B2 | Reaction solution, set of reaction solution and ink, inkjet recording apparatus and image recording method | Performing Operations; Transporting | 61 | Expired |
| US6932465B2 | Reaction solution, set of reaction solution and ink, ink jet recording apparatus and image recording method | Performing Operations; Transporting | 60 | Expired |
| US6929362B2 | Ink set and image forming process, and water-based ink used therein | Performing Operations; Transporting | 51 | Expired |
| US7377631B2 | Aqueous ink, set of reaction liquid and aqueous ink, and image forming method | Chemistry; Metallurgy | 43 | Active |
| US7276110B2 | Cyan ink and ink set | Chemistry; Metallurgy | 37 | Expired |
| US7297203B2 | Ink, ink set, ink jet recording method, ink cartridge and ink jet recording apparatus | Chemistry; Metallurgy | 32 | Expired |
| US7517073B2 | Liquid composition, set of liquid composition and ink, ink jet recording apparatus, and image forming method | Chemistry; Metallurgy | 30 | Active |
| US7354145B2 | Reaction solution, set of reaction solution and ink, inkjet recording apparatus and image recording method | Performing Operations; Transporting | 27 | Expired |
| US7705071B2 | Aqueous ink, ink-jet recording method, ink cartridge, recording unit and ink jet recording apparatus | Chemistry; Metallurgy | 24 | Active |
| US8469504B2 | Ink set, ink jet recording method and ink jet recording apparatus | Chemistry; Metallurgy | 19 | Active |
| US8389600B2 | Ink jet recording method, and ink jet recording apparatus | Chemistry; Metallurgy | 16 | Active |
| US7918928B2 | Pigment ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus | Chemistry; Metallurgy | 14 | Active |
| US8932394B2 | Ink, ink cartridge and ink jet recording method | Chemistry; Metallurgy | 9 | Active |
| US8992674B2 | Ink, ink cartridge and ink jet recording method | Chemistry; Metallurgy | 8 | Active |
| US8986435B2 | Ink, ink cartridge and ink jet recording method | Chemistry; Metallurgy | 8 | Active |
| US9090789B2 | Aqueous ink, ink jet recording method, ink cartridge and ink jet recording apparatus | Chemistry; Metallurgy | 8 | Active |
| US8013051B2 | Liquid composition, image forming method, cartridge, recording unit and ink jet recording apparatus | Chemistry; Metallurgy | 7 | Active |
| US9895901B2 | Ink jet recording method and ink jet recording apparatus | Performing Operations; Transporting | 6 | Active |
| US10259960B2 | Aqueous ink, ink cartridge, and ink jet recording method | Chemistry; Metallurgy | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.