Issued Patents All Time
Showing 1–25 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12391953 | Stevia plant having less ability to form pollens | Tadayoshi HIRAI, Kentaro Ochiai | 2025-08-19 |
| 12389848 | Stevia plant having high rebaudioside M content ratio and screening method for same | Tadayoshi HIRAI, Kentaro Ochiai, Saori Takeyama, Katsuro Miyagawa | 2025-08-19 |
| 12338498 | High steviol glycoside-containing stevia plant and method for screening same | Tadayoshi HIRAI, Kentaro Ochiai, Saori Takeyama, Katsuro Miyagawa | 2025-06-24 |
| 12317798 | Rebaudioside M-rich stevia plant | Katsuro Miyagawa, Tadayoshi HIRAI, Naoko Okitsu, Saori Takeyama | 2025-06-03 |
| 12295306 | Stevia plant having less ability to form flower buds | Tadayoshi HIRAI, Kentaro Ochiai | 2025-05-13 |
| 11873521 | Steviol glycoside and production method therefor, and sweetener composition containing same | Katsuro Miyagawa, Eiichiro Ono, Tadayoshi HIRAI, Misa Ochiai, Koji NAGAO +3 more | 2024-01-16 |
| 11732313 | High-sweetening-content stevia plant and method for screening same | Tadayoshi HIRAI, Katsuro Miyagawa, Naoko Okitsu, Saori Takeyama | 2023-08-22 |
| 11702641 | Steviol glycoside hexose transferase and gene coding for same | Eiichiro Ono, Misa Ochiai, Tadayoshi HIRAI | 2023-07-18 |
| 11447765 | Rhamnose synthase derived from stevia and gene | Eiichiro Ono, Misa Ochiai, Tadayoshi HIRAI | 2022-09-20 |
| 11284576 | High rebaudioside C-content stevia plant | Eiichiro Ono, Tadayoshi HIRAI, Katsuro Miyagawa | 2022-03-29 |
| PP21102 | Ipomoea plant named ‘Kyuikukan 5’ | Yasuhiro Takahata, Masaru Yoshinaga, Hiroki Nakayama, Masaru Tanaka, Yoshinori Nakazawa +5 more | 2010-06-29 |
| PP20206 | Torenia plant named ‘Sunrenibebu’ | Tetsuya Kako, Kiyoshi Miyazaki, Takeshi Kanaya, Kenichi Suzuki | 2009-08-04 |
| PP20133 | Antirrhinum plant named ‘Sunkispinfufu’ | — | 2009-06-30 |
| PP20134 | Antirrhinum plant named ‘Sunkispinfu’ | — | 2009-06-30 |
| PP20032 | Petunia plant named ‘Sunsurfpinkai’ | Takeshi Kanaya, Yasuko Isobe | 2009-05-26 |
| PP19717 | Petunia plant named ‘Sunsurfhomi’ | Takeshi Kanaya, Yasuko Isobe | 2009-02-17 |
| PP19708 | Torenia plant named ‘Sunrenipink’ | Tetsuya Kako, Kiyoshi Miyazaki, Takeshi Kanaya, Kenichi Suzuki | 2009-02-10 |
| PP19682 | Petunia plant named ‘Sunsurfkuri’ | Takeshi Kanaya, Yasuko Isobe | 2009-02-10 |
| PP19560 | Petunia plant named ‘Sunsurfpaspimi’ | Takeshi Kanaya, Yasuko Isobe | 2008-12-09 |
| PP19531 | Torenia plant named ‘Sunrenicoame’ | Takeshi Kanaya, Kenichi Suzuki | 2008-12-02 |
| PP19523 | Torenia plant named ‘Sunreniripin’ | Kenichi Suzuki, Takeshi Kanaya | 2008-12-02 |
| PP19522 | Torenia plant named ‘Sunrenicobaio’ | Takeshi Kanaya, Kenichi Suzuki | 2008-12-02 |
| 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 |