Hideaki Ishihara
81Patents
12h-index
98Co-inventors
87Inventor score
Filing activity: Sep 8, 1982 → Dec 10, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5412478A | Endoscope system which changes over switches in interlocking relation to each other within video processor and image display apparatus to perform display of endoscope image | Electricity | 109 | Expired |
| US6794921B2 | Clamp circuit | Electricity | 49 | Expired |
| US6737905B1 | Clamp circuit | Physics | 42 | Expired |
| US5258834A | Electronic endoscope for producing a color image by extracting a plurality of field picture images in one field period without changing a horizontal clock rate | Electricity | 36 | Expired |
| US6536615B2 | Load moment indicator of crane | Performing Operations; Transporting | 25 | Expired |
| US8046615B2 | Microcomputer system with reduced power consumption | Emerging Cross-Sectional Technologies | 23 | Active |
| US6131073A | Electronic circuit with an operating characteristic correcting function | Physics | 22 | Expired |
| US6581119B1 | Interrupt controller and a microcomputer incorporating this controller | Physics | 17 | Expired |
| US6054751A | Semiconductor integrated circuit | Electricity | 17 | Expired |
| US4701377A | Polyamide fibers having improved properties, and their production | Emerging Cross-Sectional Technologies | 14 | Expired |
| US8547424B2 | Endoscope system and lens unit | Physics | 12 | Active |
| US7467294B2 | Microcomputer with mode decoder operable upon receipt of either power-on or external reset signal | Physics | 12 | Active |
| US6476586B2 | Capacitor charge control circuit and microcomputer using the same | Fixed Constructions | 12 | Expired |
| US5737588A | Driving circuit for a microcomputer that enables sleep control using a small-scale timer | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5790603A | Communication apparatus with collision detection and edge detection for transmitting and receiving data | Electricity | 11 | Expired |
| US4504545A | Polyamide fibers having improved properties and their production | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5522254A | Knock sensing apparatus for internal combustion engine | Physics | 11 | Expired |
| US7581128B2 | Microcomputer selecting operating condition | Physics | 10 | Active |
| US7216250B2 | Clock control circuit for correcting frequency of second clock signal based on first clock signal and monitoring oscillation state of first clock signal based on second clock signal | Physics | 9 | Expired |
| US8587279B2 | Power conversion apparatus | Emerging Cross-Sectional Technologies | 9 | Active |
| US4496630A | Polyamide fibers having improved properties and their production | Emerging Cross-Sectional Technologies | 8 | Expired |
| US8504748B2 | Communication slave and communication network system | Electricity | 8 | Active |
| US6304957A | Multitask processing unit | Physics | 8 | Expired |
| US4624816A | Process for the manufacture of polyamide fibers | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4859389A | Process for preparing polyamide fibers having improved properties | Emerging Cross-Sectional Technologies | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.