Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11383547 | Friction body, writing instrument, and writing set | — | 2022-07-12 |
| 7335624 | Reversible thermochromic display article | Katsuyuki Fujita, Shigehiro Koide | 2008-02-26 |
| 7332109 | Thermally color-developing reversibly thermochromic pigment | Katsuyuki Fujita, Shigehiro Koide | 2008-02-19 |
| 7189133 | Reversibly metachromatic toy | Hiroki Harata, Masanori Takeda | 2007-03-13 |
| 6946168 | Reversibly thermochromic ultraviolet ray-hardening ink composition and reversibly thermochromic laminate using the same | Hiroki Harata, Makoto Miyamoto | 2005-09-20 |
| 6669765 | Thermochromic dry offset ink, and printed article produced using the same | Masahiro Ito | 2003-12-30 |
| 6494950 | Thermochromic microencapsulated pigments | Katsuyuki Fujita | 2002-12-17 |
| 6489018 | Reversibly thermochromic light-transmitting laminate member | Jun Sugai, Shigehiro Koide | 2002-12-03 |
| 6485824 | Reversibly thermochromic light-shielding/light-transmitting laminate member | Jun Sugai, Shigehiro Koide | 2002-11-26 |
| 5895718 | Thermoplastic resin compositions and temperature-dependent shape-transformable/fixable products making use of the same | Naoya Ishimura, Kyoji Aoyama, Tsutomu Tomatsu | 1999-04-20 |
| 5879443 | Temperature-sensitive color-memorizing microencapsulated pigment | Tsutomu Kito | 1999-03-09 |
| 5785746 | Preparation method for shear-thinning water-based ball-point pen inks compositions and ball-point pens employing the same | Tsutomu Kito | 1998-07-28 |
| 5721059 | Temperature-dependent color/transparency storing resin composition and laminate member employing the same | Tsutomu Kito, Hiroyuki Hayashi | 1998-02-24 |
| 5585425 | Thermochromic opaque/transparent composition, laminate member employing the same, and three-dimensional member employing said laminate member and capable of concealing and revealing the interior | Tsutomu Kito, Hiroyuki Hayashi | 1996-12-17 |
| 5490956 | Thermochromic opaque composition, laminate member employing the same, and three-dimensional member employing said laminate member and capable of concealing and revealing the interior | Tsutomu Kito, Hiroyuki Hayashi | 1996-02-13 |
| 5153066 | Temperature-sensitive color-changeable composite fiber | Kazuhiko Tanaka, Masao Kawamoto, Kenji Hiramatsu, Tsutomu Kito | 1992-10-06 |