Issued Patents All Time
Showing 51–75 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5338642 | Diazo type recording material comprising two couplers wherein the novel coupler used is a bis-malonamide | Sadao Ishige, Takekatsu Sugiyama, Hirokazu Shimada | 1994-08-16 |
| 5328796 | Diazo type recording material utilizing microencapsulated diazo compound, a coupler and a hydroxyphenylsulfone derivative | Akihiro Shimomura, Taketatsu Sugiyama, Makoto Ohno | 1994-07-12 |
| 5304452 | Heat sensitive diazo type recording material utilizing microencapsulated diazo compound and a coupling component | Makoto Ohno, Akihiro Shimomura | 1994-04-19 |
| 5271791 | Tape winding device | — | 1993-12-21 |
| 5089371 | Heat development type diazo copying material containing a light insensitive intermediate layer provided between the support and the photosensitive layer | Kotaro Nakamura, Hirokazu Shimada | 1992-02-18 |
| 5070923 | Antiskid apparatus having doglegged linkages pivotally connected | — | 1991-12-10 |
| 5059847 | Surface acoustic wave device | Kenichi Shibata, Kousuke Takeuchi, Masakazu Sakata, Hiroshi Okano, Kazuhiko Kuroki | 1991-10-22 |
| 5036199 | Liquid crystal chopper and infrared sensor | Masakazu Sakata, Kenichi Shibata, Kousuke Takeuchi, Hiroshi Okano, Toshikazu Tsujino +1 more | 1991-07-30 |
| 5029811 | Butterfly valve | Takeshi Yamamoto | 1991-07-09 |
| 4950900 | Heated infrared gas analyzer using a pyroelectric infrared sensor | Kousuke Takeuchi, Kenichi Shibata, Seiji Nishikawa, Kazuhiko Kuroki, Shoichi Nakano | 1990-08-21 |
| 4942150 | Heat-sensitive recording material | Toshimasa Usami, Masataka Kiritani | 1990-07-17 |
| 4868444 | Surface acoustic wave device | Kenichi Shibata, Toshiaki Yokoo, Kousuke Takeuchi, Maruo Kamino | 1989-09-19 |
| 4865939 | Process for preparation of heat-sensitive diazo microcapsule recording material using pressure applying apparatus | Toshimasa Usami, Takayuki Hayashi | 1989-09-12 |
| 4842979 | Black color heat-sensitive diazo microcapsule recording material with benzoylacetic amide coupler | Sadao Ishige, Toshimasa Usami, Hiroshi Kamikawa | 1989-06-27 |
| 4783439 | Heat-sensitive recording material | Toshimasa Usami, Masataka Kiritani | 1988-11-08 |
| 4771032 | Heat-sensitive recording material and recording method therefor | Jun Yamaguchi, Toshimasa Usami, Sadao Ishige | 1988-09-13 |
| 4746644 | Recording material | Masataka Kiritani, Toshimasa Usami | 1988-05-24 |
| 4743122 | Infrared-ray temperature measuring apparatus | Masaru Yamano, Yukinori Kuwano, Toshiaki Yokoo, Kenichi Shibata, Kousuke Takeuchi | 1988-05-10 |
| 4742043 | Heat-sensitive recording material | Toshimasa Usami | 1988-05-03 |
| 4722921 | Heat-sensitive recording material | Masataka Kiritani, Takayuki Hayashi, Toshimasa Usami | 1988-02-02 |
| 4686547 | Heat-sensitive recording material | Takayuki Hayashi, Toshimasa Usami | 1987-08-11 |
| 4682194 | Heat-sensitive recording material | Toshimasa Usami, Shohei Yoshida | 1987-07-21 |
| 4665411 | Heat-sensitive recording material | Masataka Kiritani, Toshimasa Usami | 1987-05-12 |
| 4650740 | Heat-sensitive recording material | Toshimasa Usami, Fumiaki Shinozaki | 1987-03-17 |
| 4644376 | Heat-sensitive recording material | Toshimasa Usami | 1987-02-17 |