Growing community of inventors

Yokohama, Japan

Takafumi Kamiya

Average Co-Inventor Count = 5.00

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 = 0

Takafumi KamiyaYukitaka Okamoto (1 patent)Takafumi KamiyaMasato Shirao (1 patent)Takafumi KamiyaTakuya Murayama (1 patent)Takafumi KamiyaMarino Akita (1 patent)Takafumi KamiyaTakafumi Kamiya (1 patent)Yukitaka OkamotoYukitaka Okamoto (14 patents)Masato ShiraoMasato Shirao (7 patents)Takuya MurayamaTakuya Murayama (7 patents)Marino AkitaMarino Akita (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Yamaha Hatsudoki Kabushiki Kaisha (1 from 4,242 patents)

2. Nhk Spring Co., Ltd. (1 from 1,233 patents)


1 patent:

1. 12448105 - Automatic watercraft maneuvering system, watercraft control device, watercraft control method, and recording medium

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as of
1/3/2026
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