Growing community of inventors

Fujioka, Japan

Tomoko Takezawa

Average Co-Inventor Count = 10.00

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 = 13

Tomoko Takezawa ↔ Hiroshi Hayami (2 patents)Tomoko Takezawa ↔ Masahiko Yabuuchi (2 patents)Tomoko Takezawa ↔ Minoru Masuda (2 patents)Tomoko Takezawa ↔ Masashi Hashiba (2 patents)Tomoko Takezawa ↔ Kazuo Katoh (2 patents)Tomoko Takezawa ↔ Hiroshi Akanuma (2 patents)Tomoko Takezawa ↔ Tsuneo Nakamura (2 patents)Tomoko Takezawa ↔ Shigeru Tajima (2 patents)Tomoko Takezawa ↔ Masachika Hirayama (2 patents)Tomoko Takezawa ↔ Tsuneo Nakamura (1 patent)Tomoko Takezawa ↔ Kazuo Katoh (1 patent)Tomoko Takezawa ↔ Hiroshi Hayami (1 patent)Tomoko Takezawa ↔ Masashi Hashiba (1 patent)Tomoko Takezawa ↔ Shigeru Tajima (1 patent)Tomoko Takezawa ↔ Minoru Masuda (1 patent)Tomoko TakezawaTomoko Takezawa (2 patents)Hiroshi HayamiHiroshi Hayami (11 patents)Masahiko YabuuchiMasahiko Yabuuchi (7 patents)Minoru MasudaMinoru Masuda (6 patents)Masashi HashibaMasashi Hashiba (5 patents)Kazuo KatohKazuo Katoh (4 patents)Hiroshi AkanumaHiroshi Akanuma (4 patents)Tsuneo NakamuraTsuneo Nakamura (4 patents)Shigeru TajimaShigeru Tajima (3 patents)Masachika HirayamaMasachika Hirayama (2 patents)Tsuneo NakamuraTsuneo Nakamura (1 patent)Kazuo KatohKazuo Katoh (1 patent)Hiroshi HayamiHiroshi Hayami (1 patent)Masashi HashibaMasashi Hashiba (1 patent)Shigeru TajimaShigeru Tajima (1 patent)Minoru MasudaMinoru Masuda (9 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Kayaku Kabushiki Kaisha (2 from 775 patents)

2. Masachika Hirayama (0 patent)

3. Masashi Hashiba (0 patent)

4. Kazuo Katoh (0 patent)

5. Tomoko Takezawa (0 patent)

6. Minoru Masuda (0 patent)

7. Masahiko Yabuuchi (0 patent)

8. Shigeru Tajima (0 patent)

9. Hiroshi Hayami (0 patent)

10. Hiroshi Akanuma (0 patent)

11. Tsuneo Nakamura (0 patent)


2 patents:

1. 5468380 - Method for quantitatively measuring sugar-alcohol, column and kit

2. 5407806 - Method for quantitatively measuring sugar-alcohol, column and kit

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1/5/2026
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