Growing community of inventors

Chiba, Japan

Kosei Ishii

Average Co-Inventor Count = 1.00

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 = 9

Kosei IshiiKosei Ishii (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Hyundai Motor Company (3 from 18,804 patents)

2. Kia Motors Corporation (3 from 8,090 patents)

3. Hyundai Motor Japan R&d Center, Inc. (3 from 29 patents)


3 patents:

1. 8538090 - Device for manipulating vehicle built-in devices

2. 8514276 - Apparatus for manipulating vehicular devices

3. 8466871 - Input apparatus for in-vehicle devices

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as of
1/23/2026
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