Akinori Ikeda
21Patents
11h-index
5Co-inventors
68Inventor score
Filing activity: Apr 1, 1980 → Mar 6, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7039984B1 | Handle for tooth cleaning member | Human Necessities | 42 | Expired |
| USD440602S | Mechanical pencil | General | 40 | Expired |
| USD562389S1 | Ballpoint pen | General | 37 | Expired |
| USD598496S1 | Fountain pen | General | 35 | Expired |
| USD472928S1 | Ball-point pen | General | 31 | Expired |
| USD650441S1 | Ballpoint pen | General | 16 | Expired |
| USD595352S1 | Ballpoint pen | General | 15 | Expired |
| USD559317S1 | Ballpoint pen | General | 15 | Expired |
| USD495744S1 | Ball-point pen | General | 14 | Expired |
| USD626995S1 | Ballpoint pen | General | 13 | Expired |
| USD605951S1 | Ink bottle | General | 11 | Expired |
| USD483805S1 | Cap of pen | General | 9 | Expired |
| USD701573S1 | Ballpoint pen | General | 9 | Active |
| USD589091S1 | Cap of pen | General | 7 | Expired |
| USD728689S1 | Ballpoint pen | General | 7 | Active |
| US4317466A | Hydraulic drive circuit for load-handling machines | Emerging Cross-Sectional Technologies | 6 | Expired |
| USD712966S1 | Ballpoint pen | General | 3 | Active |
| US7794164B2 | Layered gripping member for a writing instrument | Performing Operations; Transporting | 2 | Active |
| USD730486S1 | Aeration nozzle | General | 1 | Active |
| US9731252B2 | Aeration nozzle, and blockage removal method for said aeration nozzle | Emerging Cross-Sectional Technologies | 1 | Active |
| USD941921S1 | Fountain pen | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.