Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428392 | Abrasive | Sumihisa Yamaguchi | 2002-08-06 |
| 6334992 | Process for producing a positive electrode active material for a lithium secondary cell | Takashi Kimura | 2002-01-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428392 | Abrasive | Sumihisa Yamaguchi | 2002-08-06 |
| 6334992 | Process for producing a positive electrode active material for a lithium secondary cell | Takashi Kimura | 2002-01-01 |