Ken Ishino
16Patents
12h-index
19Co-inventors
75Inventor score
Filing activity: May 12, 1975 → Apr 12, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4003840A | Microwave absorber | Performing Operations; Transporting | 73 | Expired |
| US4118704A | Electromagnetic wave-absorbing wall | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4146854A | High frequency attenuator using ferrite beads | Electricity | 34 | Expired |
| US4335291A | Popped corn making apparatus used in a microwave oven | Human Necessities | 31 | Expired |
| US4539433A | Electromagnetic shield | Physics | 31 | Expired |
| US4116906A | Coatings for preventing reflection of electromagnetic wave and coating material for forming said coatings | Electricity | 30 | Expired |
| US4742359A | Antenna system | Electricity | 27 | Expired |
| US4046983A | Microwave heating oven having seal means for preventing the leakage of microwave energy | Electricity | 23 | Expired |
| US4515850A | Composite ferrite textile | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4972191A | Wave absorber, and an anechoic chamber using the same | Electricity | 18 | Expired |
| US5537116A | Electromagnetic wave absorber | Electricity | 17 | Expired |
| US4474676A | Electromagnetic interference shielding material | Electricity | 17 | Expired |
| US5373296A | Electromagnetic wave absorber and wave absorption structure | Physics | 10 | Expired |
| US4525614A | Absorber device for microwave leakage | Electricity | 5 | Expired |
| US4689460A | Absorber device for microwave leakage | Electricity | 4 | Expired |
| US4082560A | Vessel for use in heating food | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.