Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821678 | Process of producing manganese dioxide for a lithium primary battery | Kiyoteru Enomoto, Masaki Sato | 2004-11-23 |
| 5972074 | Method for reducing impurities in misch metal and alloys | Yoshiyuki Komatsu, Masao Hidaka | 1999-10-26 |
| 5866278 | Electrolytic manganese dioxide, process for preparing the same, and manganese dry cell | Takuya Inoue, Kiyoteru Enomoto, Hajime Murakami, Michiko Inui, Yoshihiro Sakurai | 1999-02-02 |
| 5523073 | Manganese dioxide for lithium primary battery and method of producing the same | Yoshio Nakatani, Takuya Deguchi | 1996-06-04 |