Issued Patents All Time
Showing 1,251–1,275 of 1,317 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4659917 | Focus detector having first and second non-overlapping sensor series | Susumu Matsumura, Kenji Suzuki, Keiji Otaka | 1987-04-21 |
| 4658243 | Surveillance control apparatus for security system | Tetsuo Kimura, Seiichi Tanaka | 1987-04-14 |
| 4656780 | Apparatus for reciprocably moving a desired object such as a vehicle window panel | Shizuya Miyauchi, Shinichi Minobe, Shigeyuki Soga | 1987-04-14 |
| 4650988 | Image reading apparatus with an area-type beam splitter | Susumu Matsumura, Nozomu Kitagishi | 1987-03-17 |
| 4647507 | Magnetic recording material | Masaru Odagiri, Yoshiaki Kai, Hisayo Kitamaki, Akio Tomago | 1987-03-03 |
| 4645703 | Magnetic recording medium | Kunio Hibino, Mikio Murai, Shigeki Kawase, Koichi Shinohara, Norimoto Nouchi | 1987-02-24 |
| 4644419 | Floppy disk unit | Hiroshi Iinuma, Shuichi Sakaguchi | 1987-02-17 |
| 4642615 | Light-scattering type smoke detector | — | 1987-02-10 |
| 4641022 | Range finding device with a spatial low-pass filter | — | 1987-02-03 |
| 4636649 | Photoelectric smoke sensor terminal | Tetsuo Kimura, Seiichi Tanaka | 1987-01-13 |
| 4634219 | Optical low-pass filter | — | 1987-01-06 |
| 4622308 | Catalyst for the production of hydrocarbons from the synthesis gas | Minoru Koikeda, Koutaro Munemura, Yoshihiko Nishimoto, Tetsuya Imai | 1986-11-11 |
| 4613490 | Process for preparing silicon nitride, silicon carbide or fine powdery mixture thereof | Takamasa Kawakami, Rieko Nakano, Takeshi Koyama, Kansei Izaki, Akira Mori +1 more | 1986-09-23 |
| 4610554 | Ink composition and wire dot printer including same | Makoto Matsuzaki, Masanao Matsuzawa, Yoshinori Miyazawa | 1986-09-09 |
| 4600313 | Kneading machine | Akira Moroo, Yoshiyasu Tokunaga, Tadahiko Yoshioka | 1986-07-15 |
| 4594330 | Fine amorphous powder and process for preparing fine powdery mixture of silicon nitride and silicon carbide | Takamasa Kawakami, Takeshi Koyama, Masami Orisaku, Kansei Izaki, Rieko Nakano +1 more | 1986-06-10 |
| 4586786 | Area beam type splitter | Susumu Matsumura, Nozomu Kitagishi | 1986-05-06 |
| 4582499 | Motion toy | Hiroshi Saigo | 1986-04-15 |
| 4581604 | Atmospheric abnormality detection alarm system | Tetsuo Kimura, Seiichi Tanaka | 1986-04-08 |
| 4578729 | Magnetic recording medium | Hiroshi Fujimori, Masaru Odagiri | 1986-03-25 |
| 4575711 | Alarm terminal device | Tetsuo Kimura, Seiichi Tanaka | 1986-03-11 |
| 4572714 | Router bit | Ryohei Fukuda, Kouji Takahashi | 1986-02-25 |
| 4567123 | Diffusing plate | Keiji Ohtaka, Kiyoshi Iizuka, Hidemasa Mizutani | 1986-01-28 |
| 4564549 | Magnetic recording media and process for fabricating the same | Koichi Shinohara, Masaru Odagiri, Takashi Fujita | 1986-01-14 |
| 4563576 | Focus detecting system detecting position of images formed from the center and periphery of the optical axis | Susumu Matsumura, Kenji Suzuki | 1986-01-07 |