Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| PP32832 | Ipomoea batatas plant named ‘Fukumurasaki’ | Yumi Kai, Akira Kobayahsi, Takeo Sakaigaichi, Keisuke Suematsu, Yasuhiro Takahata +3 more | 2021-02-23 |
| PP21102 | Ipomoea plant named ‘Kyuikukan 5’ | Yasuhiro Takahata, Masaru Yoshinaga, Hiroki Nakayama, Masaru Tanaka, Yoshinori Nakazawa +5 more | 2010-06-29 |
| PP19448 | Ipomoea plant named ‘Kyuikukan 2’ | Yasuhiro Takahata, Hiroki Nakayama, Yoshinori Nakazawa, Yumi Kai, Tetsufumi Sakai +5 more | 2008-11-11 |
| PP19421 | Ipomoea plant named ‘Kyuikukan 3’ | Yasuhiro Takahata, Hiroki Nakayama, Yoshinori Nakazawa, Masaru Yoshinaga, Masaru Tanaka +5 more | 2008-11-04 |
| PP19165 | Ipomoea plant named ‘Kyuikukan 4’ | Yasuhiro Takahata, Masaru Yoshinaga, Hiroki Nakayama, Masaru Tanaka, Yoshinori Nakazawa +5 more | 2008-09-02 |