Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835016 | Stick projecting device | — | 2004-12-28 |
| 6749354 | Composite writing implement | Hidehei Kageyama | 2004-06-15 |
| 6717187 | Semiconductor optical device and the fabrication method | Susumu Kondo, Matsuyuki Ogasawara, Ryuzo Iga, Yasuhiro Kondo, Masahiro Yuda +2 more | 2004-04-06 |
| 6702158 | Knocking-type liquid container | Hidehei Kageyama, Tadao Odaka, Tadashi Keda | 2004-03-09 |
| 6687959 | Clip attaching structure | Toshihiko Kageyama, Hidehei Kageyama, Sachio Arai | 2004-02-10 |