Growing community of inventors

Kanagawa, Japan

Hirotaka Yamamoto

Average Co-Inventor Count = 3.62

ph-index = 4

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 = 46

Hirotaka YamamotoTamiya Tanaka (3 patents)Hirotaka YamamotoTakeshi Yamamoto (1 patent)Hirotaka YamamotoTakuya Motoishi (1 patent)Hirotaka YamamotoMasaaki Kato (1 patent)Hirotaka YamamotoKen Tamayama (1 patent)Hirotaka YamamotoYuki Kubota (1 patent)Hirotaka YamamotoRyo Yamamoto (1 patent)Hirotaka YamamotoTakuma Higo (1 patent)Hirotaka YamamotoJunichi Kanai (1 patent)Hirotaka YamamotoKenji Irie (1 patent)Hirotaka YamamotoKazushi Sakuma (1 patent)Hirotaka YamamotoMasahiro Takihara (1 patent)Hirotaka YamamotoTakao Iwamoto (1 patent)Hirotaka YamamotoHidehiko Chaki (1 patent)Hirotaka YamamotoRikizo Tabe (1 patent)Hirotaka YamamotoTadao Ohgaki (1 patent)Hirotaka YamamotoChieko Matsui (1 patent)Hirotaka YamamotoHyunjin Yoon (1 patent)Hirotaka YamamotoHirotaka Yamamoto (6 patents)Tamiya TanakaTamiya Tanaka (6 patents)Takeshi YamamotoTakeshi Yamamoto (145 patents)Takuya MotoishiTakuya Motoishi (28 patents)Masaaki KatoMasaaki Kato (25 patents)Ken TamayamaKen Tamayama (24 patents)Yuki KubotaYuki Kubota (22 patents)Ryo YamamotoRyo Yamamoto (20 patents)Takuma HigoTakuma Higo (15 patents)Junichi KanaiJunichi Kanai (13 patents)Kenji IrieKenji Irie (13 patents)Kazushi SakumaKazushi Sakuma (3 patents)Masahiro TakiharaMasahiro Takihara (3 patents)Takao IwamotoTakao Iwamoto (2 patents)Hidehiko ChakiHidehiko Chaki (2 patents)Rikizo TabeRikizo Tabe (1 patent)Tadao OhgakiTadao Ohgaki (1 patent)Chieko MatsuiChieko Matsui (1 patent)Hyunjin YoonHyunjin Yoon (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (6 from 58,129 patents)


6 patents:

1. 9827494 - Electronic device and external structure configured to attach to or detach from the electronic device

2. 8120475 - Security-feature-equipped on-vehicle device and security-feature control method of on-vehicle device

3. 7804311 - Electronic machine, connected machine identifying method for electronic machine and control system

4. 5903228 - Map information display apparatus and traveling route display apparatus

5. 5469152 - Remote control device that transmits signals indicating termination of

6. 5446879 - Disc changing apparatus with error logging

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as of
12/11/2025
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