Junichi Sakai
38Patents
13h-index
69Co-inventors
84Inventor score
Filing activity: Jun 12, 1978 → Oct 3, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD789844S1 | Radiator grill for automobile | General | 51 | Active |
| USD864803S1 | Rear bumper for an automobile | General | 49 | Active |
| US4656533A | Floppy disc drive unit | Physics | 47 | Expired |
| US7377631B2 | Aqueous ink, set of reaction liquid and aqueous ink, and image forming method | Chemistry; Metallurgy | 43 | Active |
| USD833330S1 | Automobile and/or toy replica thereof | General | 37 | Active |
| US7008977B2 | Colored fine resin particles and production process thereof, aqueous dispersion of colored fine resin particles and production process of aqueous dispersion of colored fine resin particles, ink , ink cartridge, recording unit, ink-jet recording apparatus, and ink-jet recording process | Chemistry; Metallurgy | 28 | Expired |
| US4204745A | Optical fiber | Chemistry; Metallurgy | 25 | Expired |
| US7297202B2 | Dispersible colorant, method of producing same, aqueous ink using same, ink tank, ink jet recording apparatus, ink jet recording method, and ink jet recorded image | Chemistry; Metallurgy | 24 | Expired |
| US7291211B2 | Aqueous ink, ink tank, ink jet recording apparatus, ink jet recording method, and ink jet recorded image | Chemistry; Metallurgy | 17 | Expired |
| USD862750S1 | Rear combination lamp for automobile | General | 16 | Active |
| US6196138A | Movable table unit | Emerging Cross-Sectional Technologies | 13 | Expired |
| USD675355S1 | Headlamp for a vehicle | General | 13 | Active |
| US7868060B2 | Aqueous ink, ink jet recording method, ink cartridge, recording unit, ink jet recording apparatus, and image | Emerging Cross-Sectional Technologies | 13 | Active |
| USD864801S1 | Radiator grill for an automobile | General | 13 | Active |
| USD786151S1 | Front bumper for automobile | General | 10 | Active |
| US8814341B2 | Ink, ink cartridge and ink jet recording method | Chemistry; Metallurgy | 9 | Active |
| US8871013B2 | Ink, ink cartridge and ink jet recording method | Chemistry; Metallurgy | 9 | Active |
| US8932394B2 | Ink, ink cartridge and ink jet recording method | Chemistry; Metallurgy | 9 | Active |
| USD675354S1 | Headlamp for a vehicle | General | 9 | Active |
| US8393726B2 | Set of reaction liquid and ink, and image forming method | Chemistry; Metallurgy | 7 | Active |
| USD833653S1 | Headlamp for an automobile | General | 5 | Active |
| USD854449S1 | Automobile and/or toy replica thereof | General | 2 | Active |
| US9260611B2 | Synthesis method for self-dispersible pigment, self-dispersible pigment, ink jet ink, ink cartridge, and ink jet recording method | Performing Operations; Transporting | 2 | Active |
| US8353573B2 | Waste ink absorbent member, and waste ink container and ink jet recording apparatus equipped with waste ink absorbent member | Performing Operations; Transporting | 1 | Active |
| US7636932B2 | Multicast program reception at home gateway apparatus | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.