Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| PP21102 | Ipomoea plant named ‘Kyuikukan 5’ | Yasuhiro Takahata, Masaru Yoshinaga, Hiroki Nakayama, Masaru Tanaka, Toru Kumagai +5 more | 2010-06-29 |
| PP19448 | Ipomoea plant named ‘Kyuikukan 2’ | Yasuhiro Takahata, Hiroki Nakayama, Yumi Kai, Tetsufumi Sakai, Kazunari Iwaki +5 more | 2008-11-11 |
| PP19421 | Ipomoea plant named ‘Kyuikukan 3’ | Yasuhiro Takahata, Hiroki Nakayama, Masaru Yoshinaga, Masaru Tanaka, Toru Kumagai +5 more | 2008-11-04 |
| PP19165 | Ipomoea plant named ‘Kyuikukan 4’ | Yasuhiro Takahata, Masaru Yoshinaga, Hiroki Nakayama, Masaru Tanaka, Toru Kumagai +5 more | 2008-09-02 |