Growing community of inventors

Chiba, Japan

Chisei Ra

Average Co-Inventor Count = 4.44

ph-index = 1

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 = 73

Chisei RaKo Okumura (2 patents)Chisei RaMinoru Hirama (2 patents)Chisei RaKoji Naito (2 patents)Chisei RaYukiyoshi Yanagihara (1 patent)Chisei RaChisei Ra (2 patents)Ko OkumuraKo Okumura (13 patents)Minoru HiramaMinoru Hirama (2 patents)Koji NaitoKoji Naito (2 patents)Yukiyoshi YanagiharaYukiyoshi Yanagihara (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,912 patents)

2. The Green Cross Corporation (1 from 260 patents)

3. Yoshitomi Pharmaceutical Industries, Ltd. (1 from 198 patents)

4. Chisei Ra (1 from 1 patent)


2 patents:

1. 6090384 - Antiallergic compostion

2. 5874404 - Immunoglobulin E receptor .alpha.-chain inhibits IgE production and

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idiyas.com
as of
1/8/2026
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