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Tsukuba, Japan

Toru Kumagai

Average Co-Inventor Count = 5.82

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 46

Toru KumagaiYasuyuki Murakami (4 patents)Toru KumagaiKazunari Iwaki (4 patents)Toru KumagaiKenji Katayama (4 patents)Toru KumagaiMasaru Tanaka (4 patents)Toru KumagaiTetsufumi Sakai (4 patents)Toru KumagaiYoshinori Nakazawa (4 patents)Toru KumagaiHiroki Nakayama (4 patents)Toru KumagaiYumi Kai (4 patents)Toru KumagaiYasuhiro Takahata (4 patents)Toru KumagaiMasaru Yoshinaga (4 patents)Toru KumagaiTsunehiro Takeda (2 patents)Toru KumagaiHiroshi Endo (2 patents)Toru KumagaiToru Kumagai (6 patents)Yasuyuki MurakamiYasuyuki Murakami (70 patents)Kazunari IwakiKazunari Iwaki (54 patents)Kenji KatayamaKenji Katayama (4 patents)Masaru TanakaMasaru Tanaka (4 patents)Tetsufumi SakaiTetsufumi Sakai (4 patents)Yoshinori NakazawaYoshinori Nakazawa (4 patents)Hiroki NakayamaHiroki Nakayama (4 patents)Yumi KaiYumi Kai (4 patents)Yasuhiro TakahataYasuhiro Takahata (4 patents)Masaru YoshinagaMasaru Yoshinaga (4 patents)Tsunehiro TakedaTsunehiro Takeda (2 patents)Hiroshi EndoHiroshi Endo (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Suntory Flowers Limited (4 from 465 patents)

2. Director-general of Agency of Industrial Science and Technology (2 from 232 patents)


6 patents:

1. PP21102 - plant named 'Kyuikukan 5'

2. PP19448 - Ipomoea plant named 'Kyuikukan 2'

3. PP19421 - Ipomoea plant named 'Kyuikukan 3'

4. PP19165 - Ipomoea plant named 'Kyuikukan 4'

5. 5938598 - Magnetic field source movable phantom head

6. 5706811 - Method and apparatus for setting reference point for organic measurement

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