Hisashi Morikawa
20Patents
8h-index
34Co-inventors
75Inventor score
Filing activity: Jun 6, 1974 → Oct 2, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4487898A | Process of continuous suspension polymerization | Performing Operations; Transporting | 13 | Expired |
| US5393961A | Air cooling fan arrangement in a microwave heating device | Electricity | 12 | Expired |
| US7690689B2 | Saddle-type vehicle | Performing Operations; Transporting | 11 | Active |
| US3960787A | Process for preparing foamable synthetic resin granules | Chemistry; Metallurgy | 10 | Expired |
| US4948618A | Process for tempering edible plastic fat products | Human Necessities | 9 | Expired |
| US7282682B2 | High-frequency heating apparatus | Electricity | 9 | Expired |
| US4517344A | Process for polymerization of acrylate or methacrylate | Chemistry; Metallurgy | 8 | Expired |
| US4474051A | Method for measuring the concentration of a combustible component | Physics | 8 | Expired |
| US8038172B2 | Motorcycle | Performing Operations; Transporting | 6 | Active |
| US6624579B2 | Magnetron drive power supply | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6740968B2 | Power source unit for driving magnetron and heatsink to be mounted on printed circuit board thereof | Electricity | 4 | Expired |
| US5668714A | Control system for multi-processor apparatus | Physics | 3 | Expired |
| US6445596B1 | Magnetron drive power supply | Electricity | 3 | Expired |
| US6970065B2 | Transformer and transformer unit having the same | Electricity | 3 | Expired |
| US9370091B2 | Grounding structure for circuit board | Electricity | 2 | Active |
| US9357591B2 | High-frequency heating apparatus | Emerging Cross-Sectional Technologies | 1 | Active |
| US8217323B2 | High-frequency heating device | Emerging Cross-Sectional Technologies | 1 | Active |
| US7414228B2 | High frequency heating apparatus | Electricity | 0 | Expired |
| US10512154B2 | Grounding structure for circuit board | Electricity | 0 | Active |
| US8017893B2 | High-frequency heating apparatus | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.