Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11572632 | Method for manufacturing high purity tin, electrowinning apparatus for high purity tin and high purity tin | Toru Imori, Takashi Ouchi, Hirofumi Takahashi | 2023-02-07 |
| 11136680 | High purity tin and method for manufacturing same | Toru Imori | 2021-10-05 |
| 11041572 | Annular valve and valve body for annular valve | Masaru Fujinami, Hirofumi Himei, Tsukasa Suzuki, Kazuhiro Shimizu, Shuji Ishihara +1 more | 2021-06-22 |
| 10882757 | Anhydrous nickel chloride and method for producing the same | Hideyuki Takahashi | 2021-01-05 |
| 10400342 | High purity tin and method for manufacturing same | Toru Imori | 2019-09-03 |
| 9340850 | Process for producing high-purity tin | Yuichiro Shindo | 2016-05-17 |
| 8764877 | Method for producing high-purity tungsten powder | Jin Sato, Takeshi Sasaki, Mikio Ohno, Junji Ogura | 2014-07-01 |
| 8734633 | Method of recovering valuable metal from scrap containing conductive oxide | Yuichiro Shindo | 2014-05-27 |
| 8685225 | Method of recovering valuable metal from scrap conductive oxide | Yuichiro Shindo | 2014-04-01 |
| 8685226 | Method of recovering valuable metal from scrap containing conductive oxide | Yuichiro Shindo | 2014-04-01 |
| 8585995 | High purity ZrB2 powder and manufacturing method thereof | Yuichiro Shindo | 2013-11-19 |
| 8308932 | Method of recovering valuable metals from IZO scrap | Yuichiro Shindo | 2012-11-13 |
| 8308933 | Method of recovering valuable metals from IZO scrap | Yuichiro Shindo | 2012-11-13 |
| 8308934 | Method of recovering valuable metals from IZO scrap | Yuichiro Shindo | 2012-11-13 |
| 8216442 | Ultrahigh-purity copper and process for producing the same | Yuichiro Shindo | 2012-07-10 |
| 8192596 | Ultrahigh-purity copper and process for producing the same | Yuichiro Shindo | 2012-06-05 |
| 8152864 | Method for production of high purity copper sulfate | Yuichiro Shindo | 2012-04-10 |
| 8012337 | Method for collection of valuable metal from ITO scrap | Yuichiro Shindo | 2011-09-06 |
| 8012335 | Method for collection of valuable metal from ITO scrap | Yuichiro Shindo | 2011-09-06 |
| 8012336 | Method for collection of valuable metal from ITO scrap | Yuichiro Shindo | 2011-09-06 |
| 8007652 | Method for collection of valuable metal from ITO scrap | Yuichiro Shindo | 2011-08-30 |
| 8003065 | Method for collection of valuable metal from ITO scrap | Yuichiro Shindo | 2011-08-23 |
| 7927879 | Zirconium crucible for melting analytical sample, method of preparing analytical sample and method of analysis | Masahiro Sakaguchi, Mitsuru Yamaguchi, Tomio Takahashi | 2011-04-19 |
| 7892843 | Nickel crucible for melting analytical sample, method of preparing analytical sample and method of analysis | Masahiro Sakaguchi, Mitsuru Yamaguchi, Tomio Takahashi | 2011-02-22 |
| 7887603 | High purity copper sulfate and method for production thereof | Yuichiro Shindo | 2011-02-15 |