Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6191938 | Electronic apparatus having switch operated by rotatable display-unit | Keizo Ohgami, Kazuyuki Matsuda, Kazuya Shibasaki, Hiroshi Nakamura, Shigeru Sekine +4 more | 2001-02-20 |
| 5738536 | Portable electronic apparatus having a connector cover which can be housed in a case | Keizo Ohgami, Kazuyuki Matsuda, Kazuya Shibasaki, Hiroshi Nakamura, Shigeru Sekine +4 more | 1998-04-14 |
| 5594622 | Electronic apparatus system having an electronic apparatus unit and an expansion unit for expanding the function of the electronic apparatus unit by connection to an expansion card connector | Ryo Hosoya | 1997-01-14 |
| 5592362 | Electronic system having portable electronic apparatus and external expansion unit for expanding function of electronic apparatus | Keizo Ohgami, Kazuyuki Matsuda, Kazuya Shibasaki, Hiroshi Nakamura, Shigeru Sekine +4 more | 1997-01-07 |
| 5544009 | Portable electronic apparatus having ejector for removing card-like electronic part from portable electronic apparatus | Ryo Hosoya | 1996-08-06 |
| 5504649 | Electronic apparatus system including expansion unit which has an expansion device for expanding the function of an electronic apparatus and which is connectable to the electronic apparatus by means of a card connector | Ryo Hosoya | 1996-04-02 |
| 5473794 | Portable apparatus including a hinge having a ring-shaped spring for generating friction | — | 1995-12-12 |
| 5461546 | Connecting apparatus for connecting portable computers | Kazuya Shibasaki, Takashi Hosoi, Masami Honda, Kazuyoshi Takahashi | 1995-10-24 |
| 5434743 | Electronic apparatus system having an electronic apparatus unit and an expansion unit for expanding the function of the electronic apparatus unit by connection to an expansion card connector | Ryo Hosoya | 1995-07-18 |
| 5433620 | Portable apparatus having cable electrically connecting display unit and base unit | — | 1995-07-18 |
| 5328379 | Portable apparatus having cable electrically connecting display unit and base unit | — | 1994-07-12 |
| 5321580 | Expansion device with power cord and guide groove for expanding functions of compact electronic apparatus | Takashi Hosoi, Toshio Kikukawa, Keizo Ohgami | 1994-06-14 |
| 5292267 | Connector unit with movable connector | Kazuya Shibasaki, Takashi Hosoi, Masami Honda, Kazuyoshi Takahashi | 1994-03-08 |
| 5272598 | Portable electronic apparatus having an interchangeable detachable battery and optional component for expanding a function | Mitsuhiro Yoshida | 1993-12-21 |
| 5251105 | Portable electronic apparatus having a battery pack with a mechanism for latching and an independent mechanism for temporarily preventing detachment | Mitsuhiro Yoshida | 1993-10-05 |
| 5240427 | Portable apparatus having cable electrically connecting display unit and base unit | — | 1993-08-31 |
| 5238421 | Portable apparatus having cable electrically connecting display unit and base unit | — | 1993-08-24 |
| 5224018 | Portable electronic apparatus having a removable precision unit and a device for mounting and securing the removable precision unit in the apparatus | — | 1993-06-29 |
| 5210681 | Expansion device for expanding functions of compact electronic apparatus | Takashi Hosoi, Toshio Kikukawa, Keizo Ohgami | 1993-05-11 |
| 5200883 | Portable computer having an external battery mounting portion and optional device mounting portion | — | 1993-04-06 |
| 5198966 | Apparatus including a rotatable latch mechanism having an attaching structure for holding a movable member in a closed position | Mitsuhiro Yoshida | 1993-03-30 |
| 5182699 | Portable electronic apparatus having an interchangeable detachable battery and optional component for expanding a function | Mitsuhiro Yoshida | 1993-01-26 |
| 5182698 | Function expanding apparatus for compact electronic device | Kazuka Shibasaki, Takashi Hosoi, Masami Honda, Kazuyoshi Takahashi | 1993-01-26 |
| 5153817 | Electronic apparatus system including an expansion device removably connected to a removable battery pack | Takashi Hosoi, Toshio Kikukawa, Keizo Ohgami | 1992-10-06 |
| 5124887 | Portable computer including a bottom surface having a recess and a storage unit removably stored therein | — | 1992-06-23 |