Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371812 | Waveguide type optical directional coupler | — | 1994-12-06 |
| 5347608 | Optical waveguide and optical waveguide device | Yoshikazu Sakaguchi | 1994-09-13 |
| 5291576 | Single mode optical waveguide | — | 1994-03-01 |
| 5288813 | Viscoelastic resin composition or vibration damping material | Hiroshi Hirakouchi, Takeshi Yatsuka, Nobuo Kadowaki, Hiroshi Endoh, Yoshimasa Zama | 1994-02-22 |
| 5279641 | Method for concurrent production of copper powder and a metal chloride | Toshio Narisawa, Ryohei Kato, Hitoyoshi Yamaguchi | 1994-01-18 |