Akinori Iwakawa
25Patents
13h-index
19Co-inventors
78Inventor score
Filing activity: Jul 21, 1994 → Feb 3, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6154782A | Server switching between communication modes for clients coupled to the server | Electricity | 255 | Expired |
| US5537394A | Routing system for communications network | Electricity | 117 | Expired |
| US6671508B1 | Communication control method, status notification method and mobile communication terminal using same | Electricity | 82 | Expired |
| US5956028A | Virtual space communication system, three-dimensional image display method, and apparatus therefor | Electricity | 63 | Expired |
| US6865385B1 | Status notification method and status notification system | Electricity | 62 | Expired |
| US5930752A | Audio interactive system | Electricity | 53 | Expired |
| US5583860A | Communications network independent designing system and managing method | Emerging Cross-Sectional Technologies | 41 | Expired |
| US7529617B2 | Area information provision system and method | Physics | 40 | Expired |
| US6401122B1 | Communication management apparatus | Electricity | 35 | Expired |
| US6009460A | Virtual reality space sharing system having self modifying avatars (symbols) in accordance to a category that the symbol belongs | Electricity | 27 | Expired |
| US7139827B1 | Communication means notification method and notification system | Electricity | 22 | Expired |
| US6437778B1 | Virtual space communication system, three-dimensional image display method, and apparatus therefor | Electricity | 22 | Expired |
| US8200755B2 | Presence administration method and device | Physics | 14 | Expired |
| US5894307A | Communications apparatus which provides a view of oneself in a virtual space | Physics | 12 | Expired |
| US6738807B1 | Virtual space communication system for executing communication among computers sharing a virtual space | Electricity | 10 | Expired |
| US7965706B2 | Communication control apparatus | Electricity | 8 | Active |
| US8082164B2 | Reservation acceptance system and computer program product | Physics | 7 | Active |
| US8145755B2 | Terminal, terminal management apparatus and method thereof for enabling management of terminals including based on association to each other | Electricity | 1 | Active |
| US8218515B2 | Communication control apparatus and communication control program | Electricity | 0 | Active |
| US11797324B2 | Status display method and storage medium | Physics | 0 | Active |
| US8296447B2 | Method for copying session information, call control server for executing the same, and computer product | Electricity | 0 | Active |
| US9141092B2 | Frequency control device, frequency control method | Emerging Cross-Sectional Technologies | 0 | Active |
| US8297505B2 | Product management apparatus, product management method, and storage medium storing product management program | Physics | 0 | Active |
| US10897770B2 | Communication system, method and non-transitory computer-readable storage medium | Electricity | 0 | Active |
| US8019874B2 | Apparatus for delivering information and method therefor | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.