Issued Patents 1994
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5329354 | Alignment apparatus for use in exposure system for optically transferring pattern onto object | Masaki Yamamoto, Takeo Satoh, Ushio Sangawa, Hiroyuki Takeuchi | 1994-07-12 |
| 5319194 | Apparatus for measuring birefringence without employing rotating mechanism | Keiichi Yoshizumi | 1994-06-07 |
| 5315373 | Method of measuring a minute displacement | Yoshihiro Ikemoto, Tatsuo Itou | 1994-05-24 |
| 5308823 | Reversible thermosensitive recording materials | Yoshihiko Hotta | 1994-05-03 |
| 5306689 | Reversible thermosensitive recording material | Shoji Maruyama | 1994-04-26 |
| 5306687 | Thermosensitive recording material | Hiromi Furuya, Keishi Taniguchi, Kunio Hayakawa, Masafumi Torii, Shoji Maruyama | 1994-04-26 |
| 5298476 | Rewritable bar code display medium, and image display method and image display apparatus using the same | Yoshihiko Hotta, Shoji Maruyama, Takashi Yano, Hajime Takayama | 1994-03-29 |
| 5296439 | Reversible thermosensitive coloring recording medium, recording method, and image display apparatus using the recording medium | Shoji Maruyama, Hiroshi Goto, Eiichi Kawamura, Masaru Shimada, Kyoji Tsutsui +5 more | 1994-03-22 |