Takashi Doi
110Patents
16h-index
186Co-inventors
89Inventor score
Filing activity: Apr 8, 1983 → Oct 26, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5193154A | Buffered peripheral system and method for backing up and retrieving data to and from backup memory device | Emerging Cross-Sectional Technologies | 1,308 | Expired |
| US6379476B1 | Stainless steel product for producing polymer electrode fuel cell | Emerging Cross-Sectional Technologies | 51 | Expired |
| US4833665A | Information recording control system reusing a defective area | Physics | 51 | Expired |
| US4611314A | Method for accessing to a rotating record medium and an access control system | Physics | 40 | Expired |
| US6725910B2 | Heat pipe and method for processing the same | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US6370895B1 | Refrigerator with two evaporators | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4677606A | Data recording and reproducing method | Physics | 27 | Expired |
| US6460357B1 | Two-evaporator refrigerator having a bypass and channel-switching means for refrigerant | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US5389544A | Method for counting living cells of microbes and apparatus therefor | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5983995A | Radiator | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4638472A | Information recording system and method for using alternative record area in writing and reading of data on optical disk | Physics | 25 | Expired |
| US4754399A | Data transfer control system for controlling data transfer between a buffer memory and input/output devices | Physics | 24 | Expired |
| US6397608B1 | Refrigerator | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US6715305B2 | Two-evaporator refrigerator having a controlled variable throttler | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7116218B2 | Vehicle-tire-state detection/communication apparatus and tire-data communication apparatus | Performing Operations; Transporting | 18 | Expired |
| US4760566A | Method of controlling write operation for rotating type recording medium | Physics | 17 | Expired |
| US6960994B2 | Vehicle tire information obtaining apparatus and tire information processing apparatus | Performing Operations; Transporting | 15 | Expired |
| US5353422A | Method and system for storing and managing a plurality of information media used by recording/reproducing units | Physics | 14 | Expired |
| US7032441B2 | Tire-state obtaining apparatus | Performing Operations; Transporting | 13 | Expired |
| US5060090A | Automatic storage system and method for information recording media | Physics | 10 | Expired |
| US4926324A | I/O control system and method | Physics | 9 | Expired |
| US7875858B2 | Charged particle beam trajectory corrector and charged particle beam apparatus | Electricity | 9 | Active |
| US5458379A | Valve-coupling assembly | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US7884900B2 | Liquid crystal display device with partition walls made of color filter layers as a dam for the light shielding material | Physics | 8 | Active |
| US6956211B2 | Charged particle beam apparatus and charged particle beam irradiation method | Electricity | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.