Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304874 | Facsimile transceiver | Masahito Saegusa, Kazunori Hashimoto, Yoshihiro Kawakatsu, Katsubumi Ohuchi, Masaki Sato | 1989-11-28 |
| D304724 | Facsimile transceiver | Kazunori Hashimoto, Masahito Saegusa, Takashi Ohwada, Yoshihiro Kawakatsu, Katsubumi Ohuchi +1 more | 1989-11-21 |
| D304578 | Facsimile transceiver | Masahito Saegusa, Kazunori Hashimoto, Takashi Ohwada, Yoshihiro Kawakatsu, Katsubumi Ohuchi +1 more | 1989-11-14 |
| 4852984 | Telephoto lens of large aperture ratio | Sadatoshi Takahashi, Hideki Ogawa | 1989-08-01 |
| 4847221 | AlN sintered body having high thermal conductivity and a method of fabricating the same | Akihiro Horiguchi, Fumio Ueno, Mitsuo Kasori, Yoshiko Sato, Masaru Hayashi +2 more | 1989-07-11 |
| 4830821 | Process of making a contact forming material for a vacuum valve | Tsutomu Okutomi, Seishi Chiba, Mikio Okawa, Tadaaki Sekiguchi, Tsutomu Yamashita | 1989-05-16 |
| 4812484 | Process for producing expanded particles of styrene-acrylonitrile-butadiene copolymer | Toshihiro Gotoh | 1989-03-14 |