Growing community of inventors

Minami-ashigara, Japan

Takashi Kawana

Average Co-Inventor Count = 5.35

ph-index = 4

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 = 92

Takashi KawanaAkihiro Takahashi (6 patents)Takashi KawanaHiroyuki Adachi (6 patents)Takashi KawanaMasami Koguchi (6 patents)Takashi KawanaKatsunori Tanaka (4 patents)Takashi KawanaAkiyoshi Ueda (3 patents)Takashi KawanaMasao Yamaguchi (3 patents)Takashi KawanaYasuyuki Miyazawa (3 patents)Takashi KawanaYoshihiko Hara (3 patents)Takashi KawanaHideo Hosaka (2 patents)Takashi KawanaTakahiro Sagae (2 patents)Takashi KawanaHisao Ishikawa (1 patent)Takashi KawanaIsao Iwataki (1 patent)Takashi KawanaToshio Aihara (1 patent)Takashi KawanaKazuyuki Tomida (1 patent)Takashi KawanaShigeo Yamada (1 patent)Takashi KawanaOsamu Miyahara (1 patent)Takashi KawanaMasami Shibuya (1 patent)Takashi KawanaKazuyuki Tomita (1 patent)Takashi KawanaTakashi Kawana (10 patents)Akihiro TakahashiAkihiro Takahashi (37 patents)Hiroyuki AdachiHiroyuki Adachi (12 patents)Masami KoguchiMasami Koguchi (8 patents)Katsunori TanakaKatsunori Tanaka (8 patents)Akiyoshi UedaAkiyoshi Ueda (12 patents)Masao YamaguchiMasao Yamaguchi (8 patents)Yasuyuki MiyazawaYasuyuki Miyazawa (4 patents)Yoshihiko HaraYoshihiko Hara (3 patents)Hideo HosakaHideo Hosaka (11 patents)Takahiro SagaeTakahiro Sagae (7 patents)Hisao IshikawaHisao Ishikawa (21 patents)Isao IwatakiIsao Iwataki (16 patents)Toshio AiharaToshio Aihara (8 patents)Kazuyuki TomidaKazuyuki Tomida (5 patents)Shigeo YamadaShigeo Yamada (5 patents)Osamu MiyaharaOsamu Miyahara (3 patents)Masami ShibuyaMasami Shibuya (1 patent)Kazuyuki TomitaKazuyuki Tomita (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Soda Co., Ltd. (10 from 516 patents)


10 patents:

1. 6268310 - Oxazole derivative, process for producing the same, and herbicide

2. 6107251 - Oxazole derivative, process for producing the same, and herbicide

3. 6100421 - Heterocycle-substituted benzene derivatives and herbicides

4. 5962685 - Oxazole derivatives, process for producing the same, and herbicide

5. 5939360 - Compound and herbicidal composition for weed control

6. 5834404 - Substituted bicycloheptanedione derivative and herbicide

7. 5807806 - Benzoylpyrazole derivatives having specific substituents and herbicide

8. 5504056 - Heterocyclic cyclohexanedione derivative, production thereof, and

9. 5294598 - Herbicidal 3-substitutedbenzoyl-bicyclo[4,1,0]heptane-2, 4-dione

10. 4249937 - Cyclohexane derivatives

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12/5/2025
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