Kunio Hata
17Patents
7h-index
29Co-inventors
62Inventor score
Filing activity: Dec 17, 1974 → Nov 16, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5360657A | Coated printing paper and process for producing the same | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4759797A | Color-developing agent for pressure-sensitive recording | Performing Operations; Transporting | 19 | Expired |
| US5176796A | Avoiding pitch troubles using acylgerol lipase | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4368081A | Method for removing residual hydrogen peroxide on a sterilized food package | Performing Operations; Transporting | 12 | Expired |
| US3994827A | Micro-encapsulating method | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4247569A | Antibacterial agents | Human Necessities | 9 | Expired |
| US4749680A | Color-developing agent for pressure-sensitive recording sheet and color-developing sheet therefor | Performing Operations; Transporting | 8 | Expired |
| US4833119A | Color-developing sheet for pressure-sensitive recording sheets | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4377424A | Mold of precipitation hardenable copper alloy for continuous casting mold | Chemistry; Metallurgy | 6 | Expired |
| US4806521A | Color-developing agent for pressure-sensitive recording sheet and color-developing sheet thereof | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4490435A | Thermal dye-transfer type recording sheet | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5215812A | Coated printing paper | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4835134A | Color-developing sheet for pressure-sensitive sheets | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4191564A | Brass having superior adhesion and wear resistant properties | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US4835135A | Color-developing sheet for pressure-sensitive recording sheets | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4245048A | Process for producing coenzyme Q.sub.10 | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4784692A | Color-developing agent for pressure-sensitive recording sheet and color-developing sheet thereof | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.