Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6487015 | Diffraction grating having multiple gratings with different cycles for generating multiple beams and optical pickup using such diffraction grating | Kazuya Kitamura, Yukio Kurata, Tetsuo Ueyama | 2002-11-26 |
| 6460596 | Method of coating powder lubricant in metallic injection molding machine and die used of metallic injection molding | Hidenori Takayasu, Ryuichi Sakamoto, Tadayoshi Tukeda, Toshiyuki Tange, Keiji Gohonjo | 2002-10-08 |
| 6402297 | Inkjet head and method of manufacturing the same | — | 2002-06-11 |
| 6344889 | Liquid crystal display and method of manufacturing the same | Rei Hasegawa, Rieko Fukushima, Hajime Yamaguchi, Kohki Takatoh | 2002-02-05 |