Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464737 | Production method and system for granulating powdered material | Kiyoshi Morimoto, Hirokazu Yoshimoto, Sanji Tokuno, Kazue Murata | 2002-10-15 |
| 6447957 | Metal foil for collector and method of manufacturing the same, collector for secondary battery and secondary battery | Hiroyuki Sakamoto, Toshihisa Tamai | 2002-09-10 |
| 6400323 | Antenna coil for IC card and manufacturing method thereof | Hidenori Yasukawa, Hiroyuki Sakamoto, Toshinori Takano, Tadashi Kubota, Masami Yoshimoto | 2002-06-04 |