Hidehiko Katoh
7Patents
4h-index
6Co-inventors
50Inventor score
Filing activity: Sep 2, 1975 → Apr 19, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4259564A | Integrated thermal printing head and method of manufacturing the same | Electricity | 53 | Expired |
| US4241103A | Method of manufacturing an integrated thermal printing head | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4037168A | Transistorized UHF power amplifier comprising a ferroelectric sheet between a conductive base plate and a conductive pattern | Electricity | 8 | Expired |
| US4050038A | Edge-guided mode non-reciprocal circuit element for microwave energy | Electricity | 5 | Expired |
| US10687026B2 | Shovel | Electricity | 3 | Active |
| US11148593B2 | Construction machine safety management system, management apparatus | Physics | 2 | Active |
| USRE28998E | Broad-band lumped-element circulator | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.