Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6439973 | Polishing device, end face polishing apparatus having polishing device, and end face polishing method | Kouji Minami, Masaharu Sugiyama | 2002-08-27 |
| 6302773 | Polishing device, end face polishing apparatus having polishing device, and end face polishing method | Kouji Minami, Masaharu Sugiyama | 2001-10-16 |
| 6280293 | End face polishing apparatus and method for polishing end face of ferrule | Kouji Minami, Masaharu Sugiyama | 2001-08-28 |
| 4673476 | Antireflective film for photoelectric devices and manufacturing method thereof | Kotaro Mitsui, Takao Oda, Susumu Yoshida | 1987-06-16 |
| 4649088 | Antireflective film for photoelectric devices | Kotaro Mitsui, Takao Oda, Susumu Yoshida | 1987-03-10 |
| 4215356 | Junction field effect transistor | — | 1980-07-29 |