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 | Toshimasa Seki, Takafumi Tanaka, Tomoko Yoshimi, Toru Kumagai | 2025-06-03 |
| 12084354 | Calcium titanate powder, method for producing same and external toner additive for electrophotography | Toshimasa Seki, Wataru MINO, Toshiyuki Koga, Tomoko Yoshimi | 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, Takafumi Tanaka, Hidenori Ishioka +5 more | 2022-09-20 |
| 9222796 | Map display system, map display method, and computer-readable storage medium | Hidenori Nagasaka, Hiroyuki Yoshida | 2015-12-29 |
| 4297263 | Method of making polypropylene printing plate using paper matrix | Kinzo Miyamoto, Yoshimi Inoue | 1981-10-27 |