Growing community of inventors

Kurashiki, Japan

Kiichiro Oka

Average Co-Inventor Count = 4.24

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 = 18

Kiichiro OkaMasao Tanihara (3 patents)Kiichiro OkaYoshiaki Omura (2 patents)Kiichiro OkaToshihide Nakashima (2 patents)Kiichiro OkaKoichi Takakura (2 patents)Kiichiro OkaHideaki Yamada (2 patents)Kiichiro OkaAkira Kobayashi (2 patents)Kiichiro OkaHiroshi Maeda (1 patent)Kiichiro OkaFujio Suzuki (1 patent)Kiichiro OkaShohei Tanaka (1 patent)Kiichiro OkaKyoko Yamada (1 patent)Kiichiro OkaToshihiko Namba (1 patent)Kiichiro OkaYukiko Washitani (1 patent)Kiichiro OkaHiroshi Shiraki (1 patent)Kiichiro OkaYoshiaki Maeda (1 patent)Kiichiro OkaNaotaka Kuroda (1 patent)Kiichiro OkaKiichiro Oka (5 patents)Masao TaniharaMasao Tanihara (27 patents)Yoshiaki OmuraYoshiaki Omura (29 patents)Toshihide NakashimaToshihide Nakashima (15 patents)Koichi TakakuraKoichi Takakura (14 patents)Hideaki YamadaHideaki Yamada (7 patents)Akira KobayashiAkira Kobayashi (2 patents)Hiroshi MaedaHiroshi Maeda (30 patents)Fujio SuzukiFujio Suzuki (10 patents)Shohei TanakaShohei Tanaka (3 patents)Kyoko YamadaKyoko Yamada (2 patents)Toshihiko NambaToshihiko Namba (2 patents)Yukiko WashitaniYukiko Washitani (1 patent)Hiroshi ShirakiHiroshi Shiraki (1 patent)Yoshiaki MaedaYoshiaki Maeda (1 patent)Naotaka KurodaNaotaka Kuroda (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kuraray Co., Ltd. (3 from 1,865 patents)

2. Other (1 from 832,680 patents)

3. Agency of Industrial Science and Technology (1 from 1,037 patents)

4. Ministry of International Trade & Industry (1 from 348 patents)

5. Yamanouchi Pharmaceutical Company Ltd. (1 from 329 patents)

6. Agency of Industrial Science and Technology Ministry of International (1 from 172 patents)

7. Kayaku Antibiotics Research Co., Ltd. (1 from 4 patents)


5 patents:

1. 5389366 - Neocarzinostatin derivative composition for oral administration

2. 5194586 - Anti-ATLA antibody binding peptides

3. 5171837 - Peptide capable of binding interleukin 6 and an adsorbent comprising the

4. 5132402 - Adsorbent, method for production thereof, and method for use thereof

5. 4889917 - Peptide

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as of
12/8/2025
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