Daisuke Murakami
66Patents
10h-index
91Co-inventors
81Inventor score
Filing activity: Oct 29, 1976 → Aug 17, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5597272A | Coated hard alloy tool | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5776588A | Coated hard alloy tool | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5144174A | Programmable delay circuit having a buffer stage connected in cascode between the outputs of a plurality of differential amplifiers and the output terminal | Electricity | 31 | Expired |
| US7032046B2 | Resource management device for managing access from bus masters to shared resources | Physics | 26 | Expired |
| US5947651A | Indexable insert | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5428321A | Pulse width modulator having controlled delay circuit | Electricity | 20 | Expired |
| US5329173A | Signal detecting circuit apparatus | Electricity | 18 | Expired |
| US5438303A | Pulse with modulation apparatus with plural independably controllable variable delay devices | Electricity | 12 | Expired |
| US5191234A | Pulse signal generator and cascode differential amplifier | Electricity | 12 | Expired |
| US7591209B2 | Vibration suppressing cutting tool | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4748517A | PCM audio signal reproducing apparatus | Physics | 10 | Expired |
| US7350004B2 | Resource management device | Physics | 9 | Expired |
| US5243240A | Pulse signal generator having delay stages and feedback path to control delay time | Electricity | 8 | Expired |
| US7472213B2 | Resource management device | Physics | 7 | Active |
| US7881843B2 | Object struck discrimination system and protection system | Performing Operations; Transporting | 7 | Active |
| US7681683B2 | Seatbelt retractor | Performing Operations; Transporting | 6 | Active |
| US4055817A | Variable frequency oscillator | Electricity | 6 | Expired |
| US6089750A | Noncontact temperature distribution measuring apparatus | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7631720B2 | Seatbelt retractor | Performing Operations; Transporting | 5 | Active |
| US10213171B2 | X-ray photography system | Human Necessities | 5 | Active |
| US5175454A | Programmable delay circuit having n-stage capacitance elements | Electricity | 5 | Expired |
| US7490536B2 | Vibration-suppressing cutting tool | Emerging Cross-Sectional Technologies | 5 | Expired |
| US10231327B1 | Optical module and optical transmission equipment | Electricity | 5 | Active |
| US7533206B2 | Resource management device | Physics | 4 | Expired |
| US5394022A | Pulse width modulation circuit apparatus | Electricity | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.