Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5879438 | Method for improving light-fastness of reversible thermochromic compositions at the time of color extinguishment | Katsuyuki Fujita, Yutaka Shibahashi | 1999-03-09 |
| 5873932 | Method for improving light-fastness of reversible thermochromic compositions at the time of color development | Katsuyuki Fujita, Yutaka Shibahashi | 1999-02-23 |
| 5502967 | Color variation inducing device | Tanehiro Nakagawa, Tsutomu Tomatsu | 1996-04-02 |
| 5376772 | Electrothermal instrument with heat generating element of sintered BaTiO.sub.3 in contact with heat transmitting member | Tanehiro Nakagawa, Tsutomu Tomatsu, Takeo Yamaguchi | 1994-12-27 |
| 5316513 | Electrothermal color-varying device and toy utilizing the same | Tanehiro Nakagawa, Tsutomu Tomatsu, Takeo Yamaguchi, Kyoji Aoyama, Toshiaki Tanaka | 1994-05-31 |
| 5189954 | Ink supplying device for a printing press | — | 1993-03-02 |
| 5181466 | Offset printing machine having automatically releasably clamped blanket sheet | — | 1993-01-26 |
| 5179272 | Card reading device having card orientation correction mechanism | Makoto Takahashi | 1993-01-12 |
| 5146239 | Tag printer | — | 1992-09-08 |
| 5078518 | Thermal variable speed vertical and horizontal bar code printer | Makoto Takahashi | 1992-01-07 |
| 4632380 | Paper feeding apparatus | — | 1986-12-30 |
| 4619388 | Automatic paper sheet supplying apparatus | Katsuhiko Kawaguchi | 1986-10-28 |
| 4618134 | Automatic paper sheet supplying apparatus | Katsuhiko Kawaguchi | 1986-10-21 |
| 4585815 | Stencil printing ink | Takeshi Teranishi | 1986-04-29 |
| 4204030 | Organopolysiloxane sized paperboards for gypsum wallboards | Minoru Takamizawa, Akira Abe, Yutaka Sugimori, Tetsuo Kishibayashi, Makoto Ino | 1980-05-20 |