Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12234836 | Fan | Kei Kubota | 2025-02-25 |
| 11718894 | Method for separating copper, and nickel and cobalt | Hiroshi Takenouchi, Hiroshi Kobayashi, Tatsuya Higaki | 2023-08-08 |
| 11214849 | Method for recovering scandium | Hidemasa Nagai, Keiji Kudo, Itsumi Matsuoka, Yoshitomo Ozaki, Shin-ya Matsumoto +1 more | 2022-01-04 |
| 10415584 | Impeller and fan using the same | — | 2019-09-17 |
| 10344354 | Nickel recovery process | Jiro Hayata, Keiji Kudou, Tatsuya Higaki | 2019-07-09 |
| 9751783 | Method for a treatment for wastewater containing aluminum, magnesium, and manganese | Hiroshi Kobayashi, Tatsuya Higaki, Norihisa Toki, Keiji Kudo, Hiroyuki Mitsui +1 more | 2017-09-05 |
| 9657370 | Removal method of manganese from waste water | Hiroshi Kobayashi, Norihisa Toki, Keiji Kudo, Tatsuya Higaki | 2017-05-23 |
| 9410226 | Ore slurry production method and metal refining method | Hiroyuki Mitsui, Keisuke Shibayama, Tatsuya Higaki, Yoji Kyoda, Osamu Nakai | 2016-08-09 |
| 9234524 | Boundary layer controlled logarithmic spiral blade | — | 2016-01-12 |
| 8580213 | Method for recovering nickel from sulfuric acid aqueous solution | Hiroshi Kobayashi, Norihisa Toki, Keiji Kudo, Tatsuya Higaki | 2013-11-12 |
| 8313282 | Compact air-plus-liquid thermal management module | Yousef Jarrah, Gregory M. Chrysler, Patrick D. Harper, Shen Zhao, Glen Meadows +2 more | 2012-11-20 |
| 8003066 | Method for scrubbing amine-type extractant | Hiroshi Kobayashi | 2011-08-23 |
| 7959881 | Method for scrubbing an amine type extractant after stripping | Hiroshi Kobayashi | 2011-06-14 |
| 4391743 | Composition for depositing metallic oxide film coatings | Umio Maeda, Yasusuke Wada, Yoshio Horie | 1983-07-05 |