Jun Ishikawa
91Patents
14h-index
123Co-inventors
87Inventor score
Filing activity: Oct 25, 1989 → Feb 5, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5004207A | Shock mounting structure and magnetic disk apparatus | Physics | 89 | Expired |
| USD441726S | Semiconductor element | General | 55 | Expired |
| US5594787A | Call toll processing method and call toll processing apparatus | Electricity | 44 | Expired |
| US9710033B2 | Electronic device | Emerging Cross-Sectional Technologies | 41 | Active |
| US5613066A | Disk controlling method and apparatus for transferring a record from a disk to a host via an intermediate buffer | Physics | 36 | Expired |
| US6914665B2 | Exposure apparatus, exposure method, and device manufacturing method | Physics | 35 | Expired |
| US6185075A | Actuator arm assembly for a magnetic storage device | Physics | 34 | Expired |
| US6507461B1 | Inertial latch for an actuator in a disk drive device | Physics | 21 | Expired |
| US6628371B1 | Exposure apparatus, method for exposure, and method for manufacturing semiconductor device | Physics | 20 | Expired |
| US5648792A | Liquid crystal display device having a thin film | Physics | 17 | Expired |
| US6092216A | Disk controlling apparatus | Physics | 16 | Expired |
| US6480362B1 | Flex cable, head suspension assembly, and hard disk drive | Physics | 16 | Expired |
| US7802746B2 | Hanging device | Electricity | 15 | Active |
| US7616397B2 | Disk drive and disk drive control method | Physics | 14 | Active |
| US5907450A | Pre-read learning digital servo-control device | Physics | 10 | Expired |
| US10139879B2 | Electronic device | Emerging Cross-Sectional Technologies | 9 | Active |
| US6424501B1 | Disk drive ramp structure having integrated discrete rigid support elements for data storage device | Physics | 9 | Expired |
| US8596401B2 | Electric motorcycle | Emerging Cross-Sectional Technologies | 7 | Active |
| US8031479B2 | Power converter apparatus | Electricity | 6 | Active |
| US9362564B2 | Power storage device | Emerging Cross-Sectional Technologies | 6 | Active |
| US9359037B2 | Front suspension structure for saddle riding type vehicle | Performing Operations; Transporting | 6 | Active |
| US10128541B2 | Power storage device | Emerging Cross-Sectional Technologies | 6 | Active |
| US8939799B2 | Connector | Electricity | 5 | Active |
| US11474646B2 | Electronic device | Emerging Cross-Sectional Technologies | 5 | Active |
| US9620820B2 | Power storage device | Emerging Cross-Sectional Technologies | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.