Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8571207 | Hash value calculation apparatus and method thereof | Akemi Kikuchi, Akihiko Yushiya, Shiori Wakino | 2013-10-29 |
| 8560832 | Information processing apparatus | Akihiko Yushiya | 2013-10-15 |
| 8045198 | System and method for processing a change history of a PDF file | — | 2011-10-25 |
| 7433528 | Image processing apparatus | — | 2008-10-07 |
| 5857017 | Call waiting notifying apparatus | Hirokazu Ohi, Michihiro Izumi | 1999-01-05 |
| 5757898 | Information processing and communication apparatus | — | 1998-05-26 |
| 5581612 | Private branch exchange system | — | 1996-12-03 |
| 5095504 | Telephone and telephone system having temporary transfer and hold-release functions | Shugoro Ueno, Michihiro Izumi | 1992-03-10 |
| 5068219 | High strength superconducting wires and cables each having high current density, and a process for fabricating them | Sadaaki Hagino, Motokazu Suzuki, Hideyuki Kondo, Kenichi Hayashi | 1991-11-26 |
| 4983576 | Superconducting composite wire and cable, processor for fabricating them | Sadaaki Hagino, Motokazu Suzuki, Kenichi Hayashi | 1991-01-08 |
| 4870680 | Communication apparatus having a communication hold function | Kuniaki Ohtsuka | 1989-09-26 |
| 4417401 | Garment measuring device | Noboru Aisaka, Atsuo Shibuya, Yasuo Bessho, Hitoshi Akami, Shigeo Ogawa | 1983-11-29 |