Hiroko Watanabe
10Patents
5h-index
30Co-inventors
66Inventor score
Filing activity: Aug 19, 1987 → Sep 13, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5985177A | O/W/O type multiple emulsion and method of preparing the same | Human Necessities | 38 | Expired |
| US4879340A | Adsorbent composed of porous beads of chitosan and adsorption method using same | Performing Operations; Transporting | 26 | Expired |
| US6915461B1 | Control unit used in machine tools | Physics | 8 | Expired |
| USD464628S1 | Case for the control box of a laser beam machine | General | 5 | Expired |
| US7010910B2 | Exhaust gas purification apparatus | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7002099B2 | Laser beam machine and laser beam machining method | Performing Operations; Transporting | 1 | Expired |
| US11425799B2 | Heating coil | Chemistry; Metallurgy | 0 | Active |
| US10197568B2 | Base material comprising hydrophilic layer | Physics | 0 | Active |
| US9011760B2 | Hardening device | Emerging Cross-Sectional Technologies | 0 | Active |
| US8569664B2 | Hardening method and hardening device | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.