Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6425431 | Welding method using heating plate and welding apparatus using the same | Toshitaka Naito, Masahiko Koizumi, Tomoki Kumayama, Fujihiko Sugiyama, Seiichi Gyotoku | 2002-07-30 |
| 6399041 | Process for producing layered rock-salt type lithium cobalt oxide by hydrothermal oxidation | Kazuaki Ado, Mitsuharu Tabuchi, Hironori Kobayashi | 2002-06-04 |