Katsuyoshi Kitagawa
9Patents
7h-index
15Co-inventors
56Inventor score
Filing activity: Nov 3, 1989 → Jan 26, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5189574A | Flexible information storing disk apparatus having laminar air flow | Physics | 45 | Expired |
| US5305159A | Magnetic disk apparatus | Physics | 23 | Expired |
| US5396821A | Apparatus and method of machining article of eccentric configuration | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6590732B2 | Servo track writer for magnetic disks | Physics | 14 | Expired |
| US5076744A | Screw cutting machine | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5104268A | Screw cutting machine | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6281644A | Combined linear motor | Electricity | 9 | Expired |
| US6522497B1 | Disk drive having positioning control system using logical cylinder address information | Physics | 2 | Expired |
| USRE35670E | Flexible information storing disk apparatus having laminar air flow | General | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.