Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11167364 | Jet solder bath and jet soldering apparatus | Ryoichi Suzuki, Yasuji Kawashima, Tetuya Okuno, Takashi Sugihara | 2021-11-09 |
| 10894294 | Jet solder level confirmation jig and method of handling the same | Ryoichi Suzuki, Yasuji Kawashima, Takashi Sugihara, Hiroyuki Inoue | 2021-01-19 |
| 5207965 | Method for manufacturing an elastic mold | Toshiya Fujishima | 1993-05-04 |
| 4888212 | Process for the preparation of magnetic recording medium | Shinobu Iida, Masaaki Fujiyama, Keisuke Yamada | 1989-12-19 |
| 4839225 | Magnetic recording medium | Akihiro Matsufuji | 1989-06-13 |
| 4828903 | Magnetic recording disk | Kiyomi Ejiri | 1989-05-09 |
| 4784907 | Magnetic recording medium | Akihiro Matsufuji, Akira Kasuga, Yasuyuki Yamada, Hajime Miyatsuka | 1988-11-15 |
| 4784914 | Magnetic recording medium | Akihiro Matsufuji, Akira Kasuga, Yasuyuki Yamada, Hajime Miyatsuka | 1988-11-15 |
| 4721640 | Flexible magnetic disk sheet | Mikihiko Kato, Kazuhiko Morita | 1988-01-26 |
| 4707392 | Flexible magnetic disk | Mikihiko Kato, Yasutoshi Okuzawa, Kazuhiko Morita | 1987-11-17 |
| 4696846 | Method for forming protective layer on a flexible magnetic disc sheet | Mikihiko Kato, Kazuhiko Morita, Yasutoshi Okuzawa | 1987-09-29 |
| 4672913 | Apparatus for making magnetic recording medium | Mikihiko Kato, Shinichi Kato, Kazunori Komatsu | 1987-06-16 |
| 4671978 | Flexible magnetic disc sheet | Mikihiko Kato, Katsumi Koyota, Kouji Nakata | 1987-06-09 |
| 4661377 | Process for producing a magnetic recording medium having an improved dimensional stability | Kazuhiko Morita, Akira Kasuga, Noburo Hibino | 1987-04-28 |
| 4660119 | Flexible magnetic disk sheet | Mikihiko Kato, Kazuhiko Morita | 1987-04-21 |
| 4652500 | Magnetic recording medium | Kiyomi Ejiri | 1987-03-24 |
| 4652461 | Method for making magnetic recording medium | Mikihiko Kato, Shinichi Kato, Kazunori Komatsu | 1987-03-24 |
| 4652480 | Flexible disk | Mikihiko Kato, Yasutoshi Okuzawa, Kazuhiko Morita | 1987-03-24 |
| 4647473 | Method for forming protective layer on a flexible magnetic disc sheet | Mikihiko Kato, Kazuhiko Morita, Yasutoshi Okuzawa | 1987-03-03 |
| 4581270 | Flexible magnetic disk | Mikihiko Kato, Tsutomu Okita, Yasutoshi Okuzawa, Kazuhiko Morita | 1986-04-08 |
| 4578299 | Flexible magnetic disk sheet | Mikihiko Kato, Tsutomu Okita, Yasutoshi Okuzawa, Kazuhiko Morita | 1986-03-25 |
| 4518626 | Process for preparing magnetic recording medium | Mikihiko Kato, Toshio Kawamata, Kazuhiko Morita, Tsunehiko Sato | 1985-05-21 |
| 4454202 | Magnetic recording medium | Kazuhiko Morita, Nobuo Tsuji | 1984-06-12 |
| 4281060 | Heat-developable photosensitive materials | Toshimasa Usami, Tomoyuki Kobayashi, Sumitaka Tatsuta | 1981-07-28 |
| 4200680 | Process for preparing magnetic iron oxide and magnetic iron oxide produced thereby | Koji Sasazawa, Tatsuji Kitamoto, Goro Akashi | 1980-04-29 |