Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11158908 | Separator for lead acid storage battery | Masaki Onishi, Masahiro Kawachi | 2021-10-26 |
| 10270136 | Separator for lead-acid battery, and lead-acid battery | Tadamasa Wada | 2019-04-23 |
| 8221920 | Separator for valve regulated lead-acid battery and valve regulated lead-acid battery | Masahiro Kawachi, Shoji Sugiyama | 2012-07-17 |
| 7939204 | Separator for lead-acid battery | Yoshiaki Matsunami, Shuhei Nagakubo, Masaki Kita, Junpei Yamashita | 2011-05-10 |
| 7846545 | Glass fiber package, method for packing of glass fiber and glass fiber product using the same | Shoji Sugiyama, Masahiro Kawachi | 2010-12-07 |