Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670925 | Inverted F-type antenna apparatus and portable radio communication apparatus provided with the inverted F-type antenna apparatus | Hiroshi Iwai, Atsushi Yamamoto, Koichi Ogawa, Shinji Kamaeguchi, Kenichi Yamada | 2003-12-30 |
| 6638345 | Method for collecting reversely subliming substance and apparatus therefor | Shigetaka Takamiya, Kenji Nakahara | 2003-10-28 |
| 6633261 | Antenna and wireless device incorporating the same | Hiroshi Iwai, Atsushi Yamamoto, Koichi Ogawa, Shinji Kamaeguchi, Kenichi Yamada | 2003-10-14 |
| 6611373 | Optical amplification block, and optical amplification system using the same | — | 2003-08-26 |
| 6576773 | Method for production of pyromellitic dianhydride | Kenji Nakahara, Shigetaka Takamiya | 2003-06-10 |
| 6532102 | Optical amplifier | Hideki Kobayashi, Toshihiro Ohtani, Futoshi Izumi, Shota Mori | 2003-03-11 |