Growing community of inventors

Saitama, Japan

Tatsuzi Ichikawa

Average Co-Inventor Count = 3.40

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

Tatsuzi IchikawaKazuyasu Yamane (4 patents)Tatsuzi IchikawaNoriyoshi Katsumura (3 patents)Tatsuzi IchikawaKoji Nishitani (3 patents)Tatsuzi IchikawaFuminori Sano (3 patents)Tatsuzi IchikawaKeita Anjo (1 patent)Tatsuzi IchikawaTaro Ejiri (1 patent)Tatsuzi IchikawaKunihiko Isomura (1 patent)Tatsuzi IchikawaToshitatsu Ishida (1 patent)Tatsuzi IchikawaTatsuzi Ichikawa (6 patents)Kazuyasu YamaneKazuyasu Yamane (13 patents)Noriyoshi KatsumuraNoriyoshi Katsumura (9 patents)Koji NishitaniKoji Nishitani (9 patents)Fuminori SanoFuminori Sano (6 patents)Keita AnjoKeita Anjo (9 patents)Taro EjiriTaro Ejiri (4 patents)Kunihiko IsomuraKunihiko Isomura (2 patents)Toshitatsu IshidaToshitatsu Ishida (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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

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


6 patents:

1. 10885498 - Attendance registration device, attendance registration method, and recording medium

2. 10846741 - Advertisement creating device and computer-readable recording medium

3. 9536140 - Information processing apparatus and computer readable medium

4. 9317145 - Information processing apparatus, information processing method, and computer readable medium

5. 9285984 - Information processing apparatus and computer readable medium

6. 9223396 - Information processing apparatus and computer readable medium

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as of
12/19/2025
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