Akio Owatari
25Patents
13h-index
28Co-inventors
81Inventor score
Filing activity: Oct 16, 1980 → Nov 23, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4421559A | Jet printing ink composition | Chemistry; Metallurgy | 77 | Expired |
| US4489334A | Immersible oxygen absorbing capsule for ink jet fluid supply | Performing Operations; Transporting | 57 | Expired |
| US6059405A | Ink-jet recording apparatus | Performing Operations; Transporting | 43 | Expired |
| US4849773A | Ink jet recording apparatus | Performing Operations; Transporting | 36 | Expired |
| US4352691A | Liquid ink for printers | Chemistry; Metallurgy | 32 | Expired |
| US5662997A | Ink jet recording film comprising cation-modified polyvinyl alcohol and recording method using the same | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5704969A | Aqueous ink composition and method of recording using the same | Chemistry; Metallurgy | 31 | Expired |
| US5948154A | Color ink set for ink-jet recording | Chemistry; Metallurgy | 25 | Expired |
| US6030674A | Cleaning sheet and recording medium set including the same cleaning sheet | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5092926A | Ink-jet printing ink | Chemistry; Metallurgy | 16 | Expired |
| US5753016A | Ink composition excellent in reproduction of black color and ink jet recording method using the same | Chemistry; Metallurgy | 15 | Expired |
| US5928787A | Ink jet recording medium | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6409330B1 | Sublimation transfer ink jet recording method and ink composition for use therein | Chemistry; Metallurgy | 13 | Expired |
| US6242529A | Aqueous ink jet compositions comprising a hydrophobic polymer functionalized polyuronic acid dispersent, and method of using | Chemistry; Metallurgy | 9 | Expired |
| US4973992A | Ink jet printing apparatus | Performing Operations; Transporting | 9 | Expired |
| US6277457A | Cleaning sheet and recording medium set including the same cleaning sheet | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5844583A | Ink jet recording method and apparatus providing a plurality of image resolutions with the same amount of ink per dot | Performing Operations; Transporting | 7 | Expired |
| US5795970A | Mixed disazo-dye composition and black aqueous ink composition containing the same that provides high grade image on print | Chemistry; Metallurgy | 6 | Expired |
| US5616174A | Ink composition and ink jet recording method using the same | Chemistry; Metallurgy | 6 | Expired |
| US6095645A | Ink jet recording method | Performing Operations; Transporting | 4 | Expired |
| US5781215A | Ink jet recording method | Performing Operations; Transporting | 4 | Expired |
| US7601417B2 | Recorded matter having countermeasure against forging | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6455169B1 | Inkjet recording sheet | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7408630B2 | Recorded article with anti-counterfeit measures | Emerging Cross-Sectional Technologies | 0 | Expired |
| US6174611A | Recording medium and ink jet recording method | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.