Growing community of inventors

Tokyo, Japan

Koji Annaka

Average Co-Inventor Count = 2.03

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 = 4

Koji AnnakaMasanobu Sato (3 patents)Koji AnnakaKazuki Asai (3 patents)Koji AnnakaTakuya Ishii (2 patents)Koji AnnakaNaoki Takahashi (1 patent)Koji AnnakaHiroshi Koga (1 patent)Koji AnnakaTomoya Murase (1 patent)Koji AnnakaMaki Mesuda (1 patent)Koji AnnakaKunihiro Goto (1 patent)Koji AnnakaKoji Annaka (10 patents)Masanobu SatoMasanobu Sato (47 patents)Kazuki AsaiKazuki Asai (18 patents)Takuya IshiiTakuya Ishii (10 patents)Naoki TakahashiNaoki Takahashi (109 patents)Hiroshi KogaHiroshi Koga (22 patents)Tomoya MuraseTomoya Murase (12 patents)Maki MesudaMaki Mesuda (8 patents)Kunihiro GotoKunihiro Goto (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Zeon Corporation (10 from 1,237 patents)


10 patents:

1. 12362430 - Functional layer-equipped separator for electrochemical device and electrochemical device

2. 12062810 - Secondary battery and method of producing same

3. 11811087 - Composition for non-aqueous secondary battery adhesive layer, battery member for non-aqueous secondary battery and method of producing same, method of producing laminate for non-aqueous secondary battery, and method of producing non-aqueous secondary battery

4. 11710821 - Composition for non-aqueous secondary battery functional layer, functional layer for non-aqueous secondary battery, and non-aqueous secondary battery

5. 11462727 - Composition for non-aqueous secondary battery functional layer, functional layer for non-aqueous secondary battery, non-aqueous secondary battery component, and non-aqueous secondary battery

6. 11462738 - Slurry composition including lithium titanium oxide and nitrile butadiene rubber and method of producing the same, negative electrode for non-aqueous secondary battery, and non-aqueous secondary battery

7. 11430992 - Composition for non-aqueous secondary battery functional layer including first organic particles, second organic particles and solvent, functional layer for non-aqueous secondary battery, and non-aqueous secondary battery

8. 11258133 - Binder composition for non-aqueous secondary battery porous membrane, slurry composition for non-aqueous secondary battery porous membrane, porous membrane for non-aqueous secondary battery, and non-aqueous secondary battery and production method therefor

9. 11046797 - Binder composition for electrochemical device electrode, slurry composition for electrochemical device electrode, electrochemical device electrode, and electrochemical device

10. 10985375 - Slurry composition for non-aqueous secondary battery positive electrode, positive electrode for non-aqueous secondary battery, and non-aqueous secondary battery

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as of
12/24/2025
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