Issued Patents 1982
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348131 | Welded structure having improved mechanical strength and process for making same | Shizuka Shimanuki, Toshimi Matsumoto, Tsutomu Onuma, Seishin Kirihara | 1982-09-07 |
| 4342088 | Multifarious boring device | — | 1982-07-27 |
| 4338641 | Magnetic tape device | — | 1982-07-06 |
| 4325915 | Bulk polymerization reactor | Takehiko Okamoto, Akira Asada | 1982-04-20 |
| 4320011 | Oil-containing waste water treating material consisting of modified active carbon | Sadaaki Shigeta, Yasuo Takenaka | 1982-03-16 |
| 4313844 | Inorganic ion exchanger | Sadaaki Shigeta, Hiroyuki Uchida | 1982-02-02 |