Ichiro Kojima
16Patents
4h-index
21Co-inventors
60Inventor score
Filing activity: Jan 28, 1977 → Mar 29, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4951125A | Image pickup apparatus | Electricity | 27 | Expired |
| US5585365A | Antiviral polysaccharide | Human Necessities | 12 | Expired |
| US4544633A | Process for producing vitamin B.sub.12 by the fermentation technique, and vitamin B.sub.12 -producing microorganism | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5676004A | Method of detecting bender operating time | Physics | 5 | Expired |
| US4119492A | Process for fermentatively producing vitamin B.sub.12 | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5615568A | Apparatus and method of detecting bender operating time | Physics | 2 | Expired |
| US4383110A | Process for purifying and separating vitamin B.sub.12 | Chemistry; Metallurgy | 2 | Expired |
| US4086138A | Process for producing glucose isomerase | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4347184A | Process for separating and recovering coproporphyrin and uroporphyrin from a culture broth containing them | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4436663A | Process for separating porphyrins | Performing Operations; Transporting | 1 | Expired |
| US4210720A | Process for fermentatively producing vitamin B.sub.12 | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4370415A | Process for producing uroporphyrin III | Emerging Cross-Sectional Technologies | 0 | Expired |
| US11286978B2 | Tapered roller bearing and cage | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US5510479A | Hydrophobic vitamin B.sub.12 derivatives | Chemistry; Metallurgy | 0 | Expired |
| US11143240B2 | Inner ring unit and tapered roller bearing | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US4334021A | Process for producing coproporphyrin III | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.