Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669039 | Image heating apparatus capable of varying feeding intervals between recording materials | Yasumasa Ohtsuka, Kouichi Okuda, Yohji Tomoyuki, Akira Hayakawa | 1997-09-16 |
| 5592276 | Image fixing device with heater responsive to thermal stress | Yasumasa Ohtsuka, Shunji Nakamura, Kouichi Okuda, Yohji Tomoyuki, Akira Hayakawa | 1997-01-07 |