Growing community of inventors

Yokohama, Japan

Takeshi Nakajima

Average Co-Inventor Count = 1.67

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 = 8

Takeshi NakajimaNaoki Umemura (1 patent)Takeshi NakajimaMakoto Oguri (1 patent)Takeshi NakajimaHisashi Suzuki (1 patent)Takeshi NakajimaSeiji Yamamoto (1 patent)Takeshi NakajimaTakeshi Nakajima (2 patents)Naoki UmemuraNaoki Umemura (2 patents)Makoto OguriMakoto Oguri (2 patents)Hisashi SuzukiHisashi Suzuki (1 patent)Seiji YamamotoSeiji Yamamoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Piolax, Inc. (2 from 310 patents)

2. Kyowa Sangyo Co., Ltd. (1 from 42 patents)

3. Hayashi Telempu Co., Ltd. (1 from 33 patents)


2 patents:

1. 9790976 - Fastener

2. 7575267 - Metal clip for vehicle accessory fixation and structure using the same

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as of
12/19/2025
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