Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790525 | Decorative material | Keisuke Endo, Shoichi Kitagawa | 2004-09-14 |
| 6761979 | Decorative sheet and decorative material | Eiichirou Yokochi | 2004-07-13 |
| 6753112 | Positive electrode active material and non-aqueous secondary battery using the same | Yasumasa Ooya, Ryo Sakai, Koshin Tanaka, Kazuki Amemiya, Yasuhiro Shirakawa +1 more | 2004-06-22 |
| 6686093 | Positive electrode active material for nonaqueous electrolytic solution secondary battery and nonaqueous electrolytic solution secondary battery therewith | Ryo Sakai, Yasuhiro Shirakawa, Yasumasa Ooya, Koshin Tanaka | 2004-02-03 |