Akihiko Gotoh
49Patents
16h-index
43Co-inventors
81Inventor score
Filing activity: Jun 18, 1991 → Jul 3, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6695443B2 | Ink for ink jet recording, ink set for ink jet recording, method for ink jet recording, ink cartridge for ink jet recording, ink jet recording apparatus and recorded article | Chemistry; Metallurgy | 38 | Expired |
| US6786588B2 | Pretreatment liquid for recording material and image recording method using the pretreatment liquid | Emerging Cross-Sectional Technologies | 31 | Expired |
| US7284851B2 | Inkjet recording ink, recording process and recording apparatus | Chemistry; Metallurgy | 31 | Expired |
| US7810919B2 | Recording ink, ink cartridge, ink record, inkjet recording apparatus, and inkjet recording method | Emerging Cross-Sectional Technologies | 26 | Expired |
| US7094813B2 | Ink-jet recording ink, ink-jet recording ink set, ink cartridge, ink-jet printer, and ink-jet printing method | Chemistry; Metallurgy | 25 | Expired |
| US7682011B2 | Recording ink, ink cartridge, ink record, inkjet recording apparatus and inkjet recording process | Chemistry; Metallurgy | 24 | Active |
| US7892340B2 | Ink-jet recording ink, ink-jet recording ink set, ink-jet recording ink media set, ink cartridge, ink-jet recording method and ink-jet recording apparatus | Chemistry; Metallurgy | 24 | Active |
| US7699457B2 | Recording ink, ink cartridge, ink record, inkjet recording apparatus, and inkjet recording method | Emerging Cross-Sectional Technologies | 23 | Expired |
| US7033013B2 | Pretreatment liquid for recording material and image recording method using the pretreatment liquid | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6730149B2 | Ink composition and inkjet recording method and apparatus using the ink composition | Chemistry; Metallurgy | 22 | Expired |
| US6730155B2 | Aqueous ink composition | Chemistry; Metallurgy | 22 | Expired |
| US6918662B2 | Ink composition and inkjet recording method and apparatus using the ink composition | Chemistry; Metallurgy | 21 | Expired |
| US5952048A | Ink composition and recording method using the same | Performing Operations; Transporting | 20 | Expired |
| US5851717A | Developer for use in electrophotography, and image formation method using the same | Physics | 19 | Expired |
| US6020103A | Liquid developer, method of producing the liquid developer and image formation using the same | Physics | 17 | Expired |
| US8044114B2 | Ink for recording, and ink cartridge, ink recorded matter, inkjet recording apparatus and inkjet recording method using the same | Emerging Cross-Sectional Technologies | 17 | Active |
| US8029122B2 | Recording ink, inkjet recording method and inkjet recording apparatus | Chemistry; Metallurgy | 14 | Active |
| US6899751B2 | Ink for ink jet recording, ink jet recording method, ink cartridge and ink jet recording apparatus | Chemistry; Metallurgy | 13 | Expired |
| US7490930B2 | Inkjet recording apparatus and inkjet recording method | Chemistry; Metallurgy | 12 | Expired |
| US6578958B2 | Inkjet recording method and apparatus and ink therefor | Performing Operations; Transporting | 10 | Expired |
| US8173227B2 | Recording ink, ink media set, ink cartridge, ink recorded matter, inkjet recording apparatus, and inkjet recording method | Performing Operations; Transporting | 8 | Active |
| US8192009B2 | Ink set and ink cartridge for ink-jet recording, ink-jet recording method, and ink-jet recording apparatus | Chemistry; Metallurgy | 8 | Active |
| US8252207B2 | Ink for inkjet recording, ink set for inkjet recording, ink media set for inkjet recording, ink cartridge, inkjet recording method, and inkjet recording apparatus | Chemistry; Metallurgy | 8 | Active |
| US5204207A | Magenta color liquid developer for electrophotography | Physics | 8 | Expired |
| US7374608B2 | Ink for ink jet recording, ink jet recording method, ink cartridge and ink jet recording apparatus | Chemistry; Metallurgy | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.