Growing community of inventors

Hamura, Japan

Katsuyuki Itakura

Average Co-Inventor Count = 1.14

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 = 3

Katsuyuki ItakuraKazuyoshi Toma (1 patent)Katsuyuki ItakuraKazuhiro Oishi (1 patent)Katsuyuki ItakuraKatsuyuki Itakura (8 patents)Kazuyoshi TomaKazuyoshi Toma (5 patents)Kazuhiro OishiKazuhiro Oishi (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Casio Computer Co., Ltd. (7 from 5,223 patents)

2. Casio Computerco., Ltd. (1 from 30 patents)

3. Katsuyuki Itakura (0 patent)

4. Kazuyoshi Toma (0 patent)


8 patents:

1. 10838680 - Display system and computer-readable recording medium

2. 10832494 - Attendance management device, attendance management system, attendance management method and storage medium

3. 10817864 - Sales data processing apparatus, terminal apparatus and recording method

4. 10732956 - Information processing device, information update system, information processing method and storage medium

5. 10657510 - Sales data processing apparatus and computer-readable storage medium

6. 9363218 - Information processing device, information processing system and computer-readable storage medium

7. 8909275 - Wireless communication system

8. 6195645 - Data communication system

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as of
12/21/2025
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