Koichi Shinohara
28Patents
11h-index
52Co-inventors
78Inventor score
Filing activity: Jul 13, 1977 → Feb 7, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4220117A | Apparatus for fabrication of magnetic recording media | Physics | 39 | Expired |
| US4540618A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 39 | Expired |
| US6830660B1 | Method for producing metallurgical coke | Chemistry; Metallurgy | 37 | Expired |
| US4323629A | Metallic thin film magnetic recording medium | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4239835A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4645703A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5896520A | Virtual computer system of multi-processor constitution | Physics | 20 | Expired |
| US4514451A | Polyester substrate for magnetic recording medium having oligomer protrusions thereon | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6826018B2 | Disk drive with head supporting device | Physics | 17 | Expired |
| US4450186A | Method and device for manufacturing magnetic recording medium | Electricity | 15 | Expired |
| US5023739A | Tape cassette with a trapping layer having a corrosiveness which is equal to or higher than that of the magnetic recording layer on the tape | Physics | 13 | Expired |
| US4380211A | Vacuum evaporation system for deposition of thin films | Chemistry; Metallurgy | 10 | Expired |
| US6965492B2 | Rotor assembly, information-recording/-reproducing device using the rotor assembly and method of assembling the rotor assembly | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4393091A | Method of vacuum depositing a layer on a plastic film substrate | Chemistry; Metallurgy | 5 | Expired |
| US4564549A | Magnetic recording media and process for fabricating the same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8724434B2 | Magnetic recording system and magnetic recording device | Physics | 4 | Active |
| US4673617A | Thin film magnetic recording media | Emerging Cross-Sectional Technologies | 4 | Expired |
| US9543033B1 | Semiconductor memory device, control method, and memory system | Physics | 2 | Active |
| US9698408B2 | Secondary battery | Emerging Cross-Sectional Technologies | 1 | Active |
| US4386113A | Method of making a magnetic recording medium | Electricity | 0 | Expired |
| US10714787B2 | Lithium ion secondary battery | Emerging Cross-Sectional Technologies | 0 | Active |
| US12384048B2 | Transfer apparatus | Electricity | 0 | Active |
| US10147949B2 | Negative electrode material for lithium ion battery | Emerging Cross-Sectional Technologies | 0 | Active |
| US11183256B2 | Semiconductor memory device and memory state detecting method | Physics | 0 | Active |
| US10756342B2 | Lithium ion secondary battery | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.