Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6386399 | Container with manual pump | Tatsuo Tsubaki | 2002-05-14 |
| 4321816 | Metal tube and apparatus and method for manufacturing the same | Yoshihiko Nakahara, Kenichi Nakanishi, Yuji Sakai, Masanori Saigo | 1982-03-30 |
| 4200051 | Collapsible tube and method of manufacture | Yoshihiko Nakahara, Kenichi Nakanishi, Katsuaki Terada, Yuji Sakai, Toshitaka Sunahara +1 more | 1980-04-29 |