Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D605198 | Recording medium | Hitoshi Otsuka | 2009-12-01 |
| D489934 | Microwave oven | Sou Sagawa | 2004-05-18 |
| D407755 | Information guide display device | Masao Isshiki, Akihiko Konno, Keiji Chikuma, Shinji Watanabe | 1999-04-06 |
| D401973 | Information guide display device | Masao Isshiki, Akihiko Konno, Keiji Chikuma, Shinji Watanabe | 1998-12-01 |
| D401228 | Electronic computer | — | 1998-11-17 |
| D396702 | Electronic computer | — | 1998-08-04 |
| D394458 | Information guide display device | Shinji Watanabe, Masao Isshiki | 1998-05-19 |
| D378083 | Electronic computer | — | 1997-02-18 |
| D378088 | Portable radio telephone | — | 1997-02-18 |
| D370007 | Operation control unit for electronic computers | — | 1996-05-21 |
| D369146 | Electronic computer | Hiroshi Onoda | 1996-04-23 |
| D360623 | Operation control unit for electronic computers | — | 1995-07-25 |
| D357004 | Apparatus for extension and increase of operation control unit of electronic computer | — | 1995-04-04 |
| D355670 | Electronic copying machine | Hiroshi Onoda | 1995-02-21 |
| D346382 | Portable radio telephone | Tadao Nakamura, Masahiko Happo, Tomiaki Shirakawa | 1994-04-26 |
| D346164 | Portable radio telephone | Tomiaki Shirakawa, Takashi Kajita, Akihiko Konno | 1994-04-19 |
| D345356 | Portable radio telephone | Seiji Namba | 1994-03-22 |
| D344943 | Portable radio telephone | Takashi Kajita, Tadao Nakamura, Masahiko Happo | 1994-03-08 |
| D341613 | Teleconferencing television camera | — | 1993-11-23 |
| D331923 | Facsimile transreceiver | Shin-ichi Hiroki, Masahiko Kashiwabara | 1992-12-22 |
| D325584 | Digital electronic branch exchange unit | — | 1992-04-21 |
| D324050 | Digital electronic branch exchange unit | — | 1992-02-18 |
| D323493 | Facsimile transceiver | — | 1992-01-28 |
| D321873 | Telephone | — | 1991-11-26 |
| D321871 | Telephone | — | 1991-11-26 |