Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5356665 | Method of manufacturing a pipe coated with a resin layer on the inner surface thereof | Kuniaki Seki, Shinichi Nishiyama, Noboru Hagiwara | 1994-10-18 |
| 5298328 | Packing material and method of making same | Tsutomu Nishiwaki, Yoji Nagano | 1994-03-29 |