Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6863720 | Thermosensitive color-changing dry offset ink and a printed material using the same | Yosuke Kitagawa, Masaki Kariya | 2005-03-08 |
| 6524763 | Microcapsules containing a radiation sensitive composition and their use | Yuji Kuroda, Masahiko Seki, Yumiko Fujita, Mitsuto Montani, Takeshi Sakai +1 more | 2003-02-25 |
| 5208132 | Photochromic materials | Masayasu Kamada | 1993-05-04 |