Seiji Kato
86Patents
14h-index
118Co-inventors
87Inventor score
Filing activity: May 23, 1980 → Mar 30, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4366456A | Switched-capacitor filter | Electricity | 59 | Expired |
| US10656347B2 | Connector attached optical fiber unit and optical connector boot with protection tube | Physics | 56 | Active |
| US5345258A | A videophone having an automatic answering capability | Electricity | 54 | Expired |
| US6310613A | Method and apparatus for changing numeric values on a display device | Physics | 46 | Expired |
| US4417158A | Clock generator circuit | Electricity | 38 | Expired |
| US5276992A | Lure | Human Necessities | 23 | Expired |
| US7788030B2 | Navigation system | Physics | 20 | Active |
| US6155046A | Heat-insulation type exhaust manifold | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US5430698A | CD playing apparatus | Physics | 19 | Expired |
| US8733486B2 | Battery for electric vehicle | Emerging Cross-Sectional Technologies | 19 | Active |
| US5471441A | CD player capable of playing back partially recorded CD | Physics | 18 | Expired |
| US5886963A | Gain control device for servo control | Physics | 16 | Expired |
| USD619536S1 | Optical connector | General | 16 | Expired |
| US6941696B2 | Fishing lure | Human Necessities | 15 | Expired |
| US5414684A | Method and apparatus for discriminating type of disks positioned on a CD player | Physics | 14 | Expired |
| US8727794B2 | Electronic controller | Electricity | 14 | Active |
| US5822912A | Lure with stabilized movement | Human Necessities | 14 | Expired |
| US5689910A | Artificial bait | Performing Operations; Transporting | 13 | Expired |
| US4468749A | Adjustable attenuator circuit | Electricity | 12 | Expired |
| US5561938A | Lure with stabilized movement | Human Necessities | 12 | Expired |
| US4333064A | Switched-capacitor filter | Electricity | 11 | Expired |
| US6243347A | Auto-loading disk player | Physics | 11 | Expired |
| USD603459S1 | Game machine | General | 11 | Expired |
| US7346403B2 | Pid parameter adjustment device | Physics | 11 | Expired |
| US5893231A | Artificial bait | Performing Operations; Transporting | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.