Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6761175 | Sheet tobacco | Yukio Nakanishi, Akinori Ota, Naohiko Shimono, Kiyotaka Kawai, Yoshisato Miyakoshi +3 more | 2004-07-13 |
| 6637598 | Foreign substance eliminating apparatus | Yoshio Takai, Shigeru Watanabe, Hironori Watanabe, Shinichi Kudo | 2003-10-28 |
| 6158440 | Swollen tobacco material manufacturing method | Hiromi Uematsu, Yukio Nakanishi, Kensuke Uchiyama | 2000-12-12 |
| 5251648 | Method for plumping and moisture regulating cut tobacco | Takashi Ogawa, Masaru Sakuma, Masami Nakamura, Mitsuru Chujo | 1993-10-12 |