Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6276222 | Method for evaluating deterioration of insulating paper | Teruo Miyamoto, Yoshihiro Makino, Hitoshi Anetai | 2001-08-21 |
| 4817332 | Method of enhancing plant growth and apparatus for performing the same | Akira Ikeda, Shigeki Nakayama, Kenji Ezaki, Toshitsugu Ishii | 1989-04-04 |
| 4617755 | Apparatus for plant cultivation | Akira Ikeda, Shigeki Nakayama, Toshitsugu Ishii | 1986-10-21 |