Issued Patents All Time
Showing 76–82 of 82 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4784937 | Developing solution for positive-working photoresist comprising a metal ion free organic base and an anionic surfactant | Hatsuyuki Tanaka, Hidekatsu Kohara, Shingo Asaumi, Toshimasa Nakayama, Akira Yokota +1 more | 1988-11-15 |
| 4733698 | Heat transfer pipe | — | 1988-03-29 |
| 4640990 | Telephone answering apparatus having two integrators of different time constants | Hideji Kawade, Hideaki Takahashi, Yuji Urayama | 1987-02-03 |
| 4577381 | Boiling heat transfer pipes | Akio Isozaki, Tomio HIGO, Tetsuo Uchida | 1986-03-25 |
| 4549606 | Heat transfer pipe | Akio Isozaki | 1985-10-29 |
| D279862 | Electric drill | Kiyoshi Hoshino | 1985-07-30 |
| D272511 | Electric sander | Yutaka Kanamaru | 1984-02-07 |