Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9153348 | Double-walled tube with interface gap and production method therefor | Atsuro Iseda, Takashi Nakashima, Tetsuo Yokoyama, Takuya HANADA | 2015-10-06 |
| 8808470 | High-carbon chromium bearing steel and production method of the same | Syunichi Ootsuka, Yoshitaka Nishiyama | 2014-08-19 |
| 8697601 | Rewritable recording material | Satoshi Kodama, Hiroshi Fujii | 2014-04-15 |
| 8546299 | Color-developing composition and recording material containing the same | Hiroshi Fujii, Satoshi Kodama, Kazumi Jyujyo | 2013-10-01 |
| 8529688 | Phenolic compound and recording material | Satoshi Kodama, Shinichi Satoh, Toshio Aihara, Kazumi Jyujyo | 2013-09-10 |
| 8420568 | Color-developing compositions and recording material containing same | Satoshi Kodama, Toshiyuki Fukami, Hiroshi Fujii, Toshio Aihara | 2013-04-16 |
| 8074482 | Plug for cold drawing and method for manufacturing of metal pipe | Tatsuya Okui, Kouichi Kuroda | 2011-12-13 |
| 7390771 | Recording material and recording sheet | Shinichi Sato, Hiroshi Fujii | 2008-06-24 |
| 7169737 | Phenolic compound and recording material using the same | Tomoya Hidaka | 2007-01-30 |
| 7012159 | Phenolic compounds and recording materials containing the same | Tomoya Hidaka, Shinichi Sato | 2006-03-14 |