Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12083782 | Discoloring body having glossiness | — | 2024-09-10 |
| 11015076 | Ink composition for reversibly thermochromic stamp and stamp | Hiroshi Umemoto, Taeko Ozawa | 2021-05-25 |
| 9346044 | Copper-based catalyst precursor, method for manufacturing same, and hydrogenation method | Tomoaki Tsuji, Keiichi Tabata, Toshihiro Sugaya | 2016-05-24 |
| 8943694 | Accessory making device, accessory making kit, and method for making accessory | Natsuko Kobayashi, Haruka Kasuga | 2015-02-03 |
| 8518848 | Titanium oxide photocatalyst and method for producing the same | Noboru Taniguchi, Shuzo Tokumitsu, Tomohiro Kuroha, Kenichi Tokuhiro, Keita Kobayashi +1 more | 2013-08-27 |
| 8148289 | Titanium oxide photocatalyst and method for producing the same | Noboru Taniguchi, Shuzo Tokumitsu, Tomohiro Kuroha, Kenichi Tokuhiro, Keita Kobayashi +1 more | 2012-04-03 |
| 8147959 | Color-change laminate | Atsushi Sasada | 2012-04-03 |
| 8025961 | Liquid composition for metachromatic members, and metachromatic member set making use of the same | — | 2011-09-27 |
| 7985701 | Water-discoloring wall adhering material and water-discoloring wall adhering material set using the same | — | 2011-07-26 |
| 7753680 | Water-discoloring drawing toy and water-discoloring drawing toy set including the same | — | 2010-07-13 |
| 7632564 | Liquid composition for metachromatic members, and metachromatic member set making use of the same | — | 2009-12-15 |
| 7168876 | Writing instrument for water-metachromatic members with detachable pen point holder | Takao Kani | 2007-01-30 |
| 7056570 | Water-metachromatic laminate, and process for its production | Hisayoshi Kato | 2006-06-06 |
| 6984418 | Water-metachromatic laminate, and process for its production | Hisayoshi Kato | 2006-01-10 |
| 6964807 | Water-metachromatic laminate, and process for its production | Hisayoshi Kato | 2005-11-15 |
| 6953345 | Water-metachromatic cloth sheet, toy set using the same, and writing instrument for water-metachromatic members | Takao Kani | 2005-10-11 |
| 6638620 | Reversible thermochromic composition having improved light-fastness and product comprising same | Yoshiaki Ono | 2003-10-28 |
| 6416853 | Color-change laminates and toy sets with the use thereof | Masahiro Ito, Yoshiaki Ono | 2002-07-09 |
| 6228804 | Color-change materials | — | 2001-05-08 |
| 5858914 | Thermochromic coloring color-memory footwear | Yutaka Shibahashi, Katsuyuki Fujita | 1999-01-12 |
| 5558699 | Thermochromic color-memory composition | Yutaka Shibahashi | 1996-09-24 |
| 5418575 | Color display apparatus having compensating unit | Atsushi Kaneko, Hideaki Ohki, Junichi Ikoma | 1995-05-23 |
| 5206760 | Multiprojection apparatus | Junichi Ikoma, Yasutoshi Nakashima, Sadayuki Nishimura, Yoshihisa Hosoe, Tatsumi Hasebe +1 more | 1993-04-27 |
| 4858030 | Reproducing apparatus of a video disc player | Masuo Oku, Yoshimichi Kudo, Tomomitsu Kuroyanagi, Kazuo Kondo, Hisanobu Tsukazaki +2 more | 1989-08-15 |
| 4745494 | System for correcting time base error of information reproducing apparatus | Atsushi Kaneko, Junichi Ikoma | 1988-05-17 |