Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4341729 | Method and apparatus for making biaxially stretched tubular films | Kohtaro Hayashi, Kohji Nakamura | 1982-07-27 |
| 4299793 | Method and apparatus for producing tubular plastic films | Kohtaro Hayashi, Kohji Nakamura | 1981-11-10 |
| 4290996 | Method for initiating biaxial stretching of plastic tubes and apparatus therefor | Kohtaro Hayashi, Kohji Nakamura | 1981-09-22 |
| 4279580 | Apparatus for making biaxially stretched tubular films | Kohtaro Hayashi, Kohji Nakamura | 1981-07-21 |