Growing community of inventors

Narashino, Japan

Keiichi Izumi

Average Co-Inventor Count = 6.40

ph-index = 3

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 = 32

Keiichi IzumiNoriyasu Sakamoto (7 patents)Keiichi IzumiMasaya Suzuki (7 patents)Keiichi IzumiRyo Sato (6 patents)Keiichi IzumiYuzuru Sanemitsu (6 patents)Keiichi IzumiHideyuki Shibata (6 patents)Keiichi IzumiShinichi Kawamura (6 patents)Keiichi IzumiJunichi Sato (6 patents)Keiichi IzumiTatsuhiro Hamada (6 patents)Keiichi IzumiHirotaka Takano (5 patents)Keiichi IzumiShigeru Saito (5 patents)Keiichi IzumiHiroshi Ikegami (4 patents)Keiichi IzumiKazunori Tsushima (3 patents)Keiichi IzumiTaro Hirose (3 patents)Keiichi IzumiSanshiro Matsuo (3 patents)Keiichi IzumiKeiichi Izumi (13 patents)Noriyasu SakamotoNoriyasu Sakamoto (44 patents)Masaya SuzukiMasaya Suzuki (19 patents)Ryo SatoRyo Sato (90 patents)Yuzuru SanemitsuYuzuru Sanemitsu (42 patents)Hideyuki ShibataHideyuki Shibata (21 patents)Shinichi KawamuraShinichi Kawamura (20 patents)Junichi SatoJunichi Sato (14 patents)Tatsuhiro HamadaTatsuhiro Hamada (11 patents)Hirotaka TakanoHirotaka Takano (23 patents)Shigeru SaitoShigeru Saito (16 patents)Hiroshi IkegamiHiroshi Ikegami (16 patents)Kazunori TsushimaKazunori Tsushima (39 patents)Taro HiroseTaro Hirose (15 patents)Sanshiro MatsuoSanshiro Matsuo (14 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumitomo Chemical Company, Limited (13 from 6,893 patents)


13 patents:

1. 6448444 - Oxime compounds, their use, and intermediates for their production

2. 6437184 - Oxime compounds, their use, and intermediates for their production

3. 6214835 - Dihalopropene compounds insecticides containing them as active ingredients, and intermediates for their production

4. 6140274 - Dihalopropene compounds, their use as insecticides/acaricides and

5. 6028100 - Dihalopropene compounds, insecticides containing them as active

6. 5952386 - Dihalopropene compounds, insecticides containing them as active

7. 5869506 - Fluoropropene compound, an insecticide containing the same and an

8. 5508415 - Iminothiazolines, their production and use as herbicides, and

9. 5459277 - Iminothiazolines, their production and use as herbicides, and

10. 5426188 - Iminothiazolines, their production and use as herbicides, and

11. 5350736 - Iminothiazolines, their production and use as herbicides, and

12. 5292715 - Iminothiazolines, their production and use as herbicides

13. 5244863 - Iminothiazolines, their production and use as herbicides, and

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as of
12/10/2025
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