Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12325928 | Roughened nickel-plated sheet | Etsuro TSUTSUMI, Toshifumi KOYANAGI, Koh Yoshioka, Kyoko Takano, Shunki OBATA +3 more | 2025-06-10 |
| 12322809 | Current collector for battery, and battery | Hidehiko Kobayashi, Koh Yoshioka | 2025-06-03 |
| 12104271 | Roughened plated sheet | Hiroki YANAGA, Etsuro TSUTSUMI, Masashi Ichishima, Toshifumi KOYANAGI, Koh Yoshioka | 2024-10-01 |
| 12018395 | Roughened nickel-plated material and method for manufacturing same | Etsuro TSUTSUMI, Toshifumi KOYANAGI, Shunki OBATA, Michio Kawamura, Koh Yoshioka +3 more | 2024-06-25 |
| 12021243 | Sulfide all-solid-state battery | Hajime Hasegawa, Shigetaka Nagamatsu, Koh Yoshioka, Toshifumi KOYANAGI, Etsuro TSUTSUMI +2 more | 2024-06-25 |
| 11760063 | Roughened nickel-plated sheet | Etsuro TSUTSUMI, Toshifumi KOYANAGI, Koh Yoshioka | 2023-09-19 |
| 11732376 | Roughened plated sheet | Hiroki YANAGA, Etsuro TSUTSUMI, Masashi Ichishima, Toshifumi KOYANAGI, Koh Yoshioka | 2023-08-22 |
| 11223069 | Surface-treated steel sheet for battery cases, battery case and battery | Tatsuo Tomomori, Eiji Yamane, Koh Yoshioka | 2022-01-11 |
| 10665825 | Surface-treated steel sheet for battery containers, battery container, and battery | Tatsuo Tomomori, Koh Yoshioka | 2020-05-26 |
| 10030283 | Method for producing surface-treated steel sheet for battery containers | Koh Yoshioka, Kazuhiko Ishihara | 2018-07-24 |
| 9911948 | Surface-treated steel sheet for battery containers, battery container, and battery | Tatsuo Tomomori, Koh Yoshioka | 2018-03-06 |
| 9887396 | Surface-treated steel sheet for battery containers, battery container, and battery | Koh Yoshioka, Kazuhiko Ishihara | 2018-02-06 |
| 9017862 | Surface-treated steel sheet for battery cases, method of producing same, battery case, and battery | Tatsuo Tomomori, Koh Yoshioka | 2015-04-28 |