Akihiko Wada
10Patents
5h-index
16Co-inventors
59Inventor score
Filing activity: Sep 23, 1996 → Sep 1, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6343219B1 | Method and device for erasing message from wireless communication device having a paging function | Electricity | 28 | Expired |
| US6249668A | Radio pager having directory structure with user-defined notification of message receipt | Electricity | 26 | Expired |
| US6141729A | Data transfer system which divides data among transfer units having different transfer speed characteristics | Physics | 11 | Expired |
| US7572096B2 | Vacuum pump | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US7015922B2 | Image display method and portable terminal for displaying selected image | Electricity | 7 | Expired |
| US6445923B1 | Selective wireless paging receiver and radio frequency searching method therefor | Electricity | 4 | Expired |
| US6327475A | Selective pager and paging system | Electricity | 4 | Expired |
| US10253777B2 | Thread groove pump mechanism, vacuum pump including thread groove pump mechanism, and rotor, outer circumference side stator, and inner circumference side stator used in thread groove pump mechanism | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9416784B2 | Exhaust pump | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9388816B2 | Turbo-molecular pump | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.