Koichi Imai
8Patents
2h-index
16Co-inventors
48Inventor score
Filing activity: Oct 15, 1985 → Sep 29, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4814129A | Process for producing stabilized yarn for producing carbon fiber | Textiles; Paper | 11 | Expired |
| US5227142A | Production apparatus for vapor-grown fine fibers | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4902762A | Process for preparing carbon fibers of high strength | Chemistry; Metallurgy | 2 | Expired |
| US6597004B2 | Powdered far-infrared radiator and method of making the same | Human Necessities | 2 | Expired |
| US8561530B2 | Wire bobbin binding device and automatic bobbin winding device using wire bobbin binding device | Performing Operations; Transporting | 1 | Active |
| USD1010485S1 | Contactless sensor unit for automatic door | General | 1 | Active |
| US4925604A | Process for preparing a carbon fiber of high strength | Textiles; Paper | 1 | Expired |
| US8796925B2 | Discharge tube | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.