Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886719 | Electrophotography photosensitive member and a method for fabricating same | Eiichiro Tanaka, Akio Takimoto, Kyoko Onomichi, Masanori Watanabe, Chisato Sakahara | 1989-12-12 |
| 4856899 | Optical frequency analyzer using a local oscillator heterodyne detection of incident light | Hideto Iwaoka, Akira Ohte | 1989-08-15 |
| 4833681 | Semiconductor laser wavelength stabilizer | Akira Ohte, Hideto Iwaoka | 1989-05-23 |