Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693365 | Method for forming water-repellent film | Toyoyuki Teranishi, Satoshi Shiiki, Kazuaki Takada, Kazuo Tojima, Takashi Itoh | 1997-12-02 |
| 5687153 | Optical head device and optical information apparatus using a lithium niobate hologram with divisional areas to diffract light to corresponding photo detector areas | Yoshiaki Komma, Seiji Nishino, Shin-ichi Kadowaki, Makoto Kato, Tetsuo Saimi | 1997-11-11 |
| 5644389 | Method for measuring distance between reflection points along light transmission line and reflectance thereof | Kuniaki Utsumi, Katsuyuki Fujito | 1997-07-01 |
| 5627812 | Optical head apparatus and diffraction element having at least two diffractive surfaces | Seiji Nishino | 1997-05-06 |
| 5604359 | Parasitic PNP transistor with crystal defect layer in the emitter region | Kazushi Naruse, Toshio Naka, Katsuki Tsuda | 1997-02-18 |
| 5599608 | Method of insert molding plastic parts to provide covered edge surfaces and plastic parts made thereby | William H. Hardgrove | 1997-02-04 |