Issued Patents All Time
Showing 126–132 of 132 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5561642 | Pulse train condition/heat shut off condition determination method and apparatus for optical recording, and optical recording method and apparatus | Jun Saito | 1996-10-01 |
| 5487059 | Heat shut off condition determination method and apparatus for optical recording, and optical recording method and apparatus | Jun Saito | 1996-01-23 |
| 5481525 | Pulse train condition/heat shut off condition determination method and apparatus for optical recording, and optical recording method and apparatus | Jun Saito | 1996-01-02 |
| 5420837 | Recording condition determination method and apparatus upon execution of over-write operation on magnetooptical disk by heat shut off method and pulse train method, and magnetooptical recording method and apparatus | Jun Saito | 1995-05-30 |
| 4918283 | Method of and apparatus for conducting plasma welding | Takashi Yamade, Seishi Watahiki, Yasuzi Sakuma, Masayoshi Yamaguchi | 1990-04-17 |
| 4788409 | Method of and apparatus for automatically conducting all position plasma welding of pipes | Takashi Yamade, Seishi Watahiki, Yasuzi Sakuma, Masayoshi Yamaguchi | 1988-11-29 |
| 4770105 | Piping travelling apparatus | Atsushi Takagi, Seishi Watahiki, Yasuzi Sakuma, Kiyoshi Sakamoto, Chikara Sato | 1988-09-13 |