Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6978076 | Variable optical attenuator | Toshiya Kishida, Tatsuro Kunikane | 2005-12-20 |
| 6876683 | Optical semiconductor device | Tohru Watanabe, Toshio Higashi, Manabu Komiyama | 2005-04-05 |
| 6854934 | Structure of pile head joint portion and pile head fitting tubular body | Yoshikazu Inatomi, Tsutomu Ogata | 2005-02-15 |