Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12319818 | Charge-adjustment powder having excellent ability to maintain applied charge, and method of manufacturing the same | Takayasu Tanaka, Toshimasa Seki, Takafumi Tanaka, Toru Kumagai | 2025-06-03 |
| 12161989 | Cobalt ion adsorption material and method for producing same | Takeshi Izumi, Takashi Sakuma, Makoto Komatsu, Hidenori Ishioka, Takafumi Tanaka +2 more | 2024-12-10 |
| 12084354 | Calcium titanate powder, method for producing same and external toner additive for electrophotography | Toshimasa Seki, Takayasu Tanaka, Wataru MINO, Toshiyuki Koga | 2024-09-10 |
| 11446631 | Alkaline earth metal ion adsorbent, and production method of the same, and alkaline earth metal ion-containing liquid treatment apparatus | Takashi Sakuma, Makoto Komatsu, Takeshi Izumi, Takayasu Tanaka, Takafumi Tanaka +5 more | 2022-09-20 |
| 8815637 | Conductive paste for photovoltaic cell and method of producing photovoltaic cell element using the same | Kotaro Umeda, Shuhei Katayama, Yoshio Miura, Toshihiro Iwaida, Takeshi Nakatani | 2014-08-26 |