Masahiro Ikeda
103Patents
14h-index
141Co-inventors
89Inventor score
Filing activity: Apr 1, 1982 → Sep 2, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7122978B2 | Charged-particle beam accelerator, particle beam radiation therapy system using the charged-particle beam accelerator, and method of operating the particle beam radiation therapy system | Electricity | 122 | Expired |
| US4534820A | Method for manufacturing crystalline film | Emerging Cross-Sectional Technologies | 82 | Expired |
| US6003426A | Reaction mechanism for booster | Performing Operations; Transporting | 59 | Expired |
| US4521069A | Optical switch | Physics | 31 | Expired |
| USD605206S1 | Fan shroud for construction machinery | General | 30 | Expired |
| US5822532A | Centralized resource supervising system for a distributed data network | Physics | 28 | Expired |
| USD600722S1 | Fan shroud for construction machinery | General | 22 | Expired |
| US6688424B1 | Noise absorbing device and device for taking air into engine room of a construction machine | Physics | 21 | Expired |
| US7143852B2 | Engine compartment cover for work machine | Performing Operations; Transporting | 21 | Expired |
| US6319181A | Semiconductive rubber roller | Physics | 21 | Expired |
| US7130428B2 | Picked-up-sound recording method and apparatus | Electricity | 20 | Expired |
| US5155737A | Semiconductor wavelength conversion device | Electricity | 19 | Expired |
| US7579608B2 | Particle-beam treatment system | Human Necessities | 19 | Active |
| US5827160A | Semiconductive silicone rubber roller thereof | Physics | 15 | Expired |
| US4928562A | Film perforator | Emerging Cross-Sectional Technologies | 14 | Expired |
| US8322615B2 | Information reading apparatus | Electricity | 13 | Active |
| US6457577B1 | Vibratory conveyor | Performing Operations; Transporting | 13 | Expired |
| US6189791A | Magnetic card reader and method for determining the coercive force of a magnetic card therein | Physics | 13 | Expired |
| US9633879B2 | Storage system in the ceiling space and storage method for goods thereby | Performing Operations; Transporting | 12 | Active |
| US6492220B2 | Method for manufacturing semiconductor device capable of suppressing narrow channel width effect | Electricity | 10 | Expired |
| USD599827S1 | Fan shroud for construction machinery | General | 9 | Expired |
| US6568768B1 | Brake system | Performing Operations; Transporting | 8 | Expired |
| USD599828S1 | Fan shroud for construction machinery | General | 7 | Expired |
| US6318542A | Vibratory conveyor | Performing Operations; Transporting | 7 | Expired |
| US5802952A | Reaction mechanism for booster | Performing Operations; Transporting | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.