Growing community of inventors

Shizuoka, Japan

Hiroyuki Koyama

Average Co-Inventor Count = 3.65

ph-index = 3

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 = 30

Hiroyuki KoyamaMasahito Sano (4 patents)Hiroyuki KoyamaNobuo Watanabe (4 patents)Hiroyuki KoyamaHiroyuki Ueda (4 patents)Hiroyuki KoyamaKouichi Yamada (2 patents)Hiroyuki KoyamaKatsumune Hayashi (2 patents)Hiroyuki KoyamaMitsuo Uchimura (1 patent)Hiroyuki KoyamaYozo Kobayashi (1 patent)Hiroyuki KoyamaRyohei Miyoshi (1 patent)Hiroyuki KoyamaHiroyuki Koyama (7 patents)Masahito SanoMasahito Sano (7 patents)Nobuo WatanabeNobuo Watanabe (6 patents)Hiroyuki UedaHiroyuki Ueda (6 patents)Kouichi YamadaKouichi Yamada (2 patents)Katsumune HayashiKatsumune Hayashi (2 patents)Mitsuo UchimuraMitsuo Uchimura (29 patents)Yozo KobayashiYozo Kobayashi (4 patents)Ryohei MiyoshiRyohei Miyoshi (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toshiba Tec Kabushiki Kaisha (7 from 6,174 patents)


7 patents:

1. 9245424 - Store system and sales registration method

2. 8856035 - Store system and sales registration method

3. 8827146 - Label issuing device and label issuing method

4. 8622293 - Label issuing device and label issuing method

5. 7119822 - Printer and consumables for use in printer

6. 6899479 - Printer and commodity information processing apparatus

7. 6793424 - Cutter device having detachable blade and printer having the same

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12/6/2025
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