Growing community of inventors

Hachioji, Japan

Sayuri Hashizume

Average Co-Inventor Count = 5.83

ph-index = 5

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 = 89

Sayuri HashizumeToshiyuki Utsuki (6 patents)Sayuri HashizumeKenta Kumagai (5 patents)Sayuri HashizumeTakashi Yamamoto (2 patents)Sayuri HashizumeKazuhiko Nishiyama (2 patents)Sayuri HashizumeYoshikatsu Kasahara (2 patents)Sayuri HashizumeMitsuo Miyamoto (2 patents)Sayuri HashizumeYasuji Morishita (2 patents)Sayuri HashizumeChikazu Yokoi (2 patents)Sayuri HashizumeTakashi Ohwada (2 patents)Sayuri HashizumeYoshihiro Iwama (1 patent)Sayuri HashizumeMasami Aoki (1 patent)Sayuri HashizumeMasaki Takano (1 patent)Sayuri HashizumeKoichi Umezawa (1 patent)Sayuri HashizumeShigeki Masatsugu (1 patent)Sayuri HashizumeTakamasa Ishikawa (1 patent)Sayuri HashizumeToshihiko Wada (1 patent)Sayuri HashizumeFumio Kishida (1 patent)Sayuri HashizumeToshio Mori (1 patent)Sayuri HashizumeMichihito Watarai (1 patent)Sayuri HashizumeJunichi Kuwata (1 patent)Sayuri HashizumeYutaka Hayashi (1 patent)Sayuri HashizumeToshio Ohdaira (1 patent)Sayuri HashizumeTomoyuki Shimaguchi (1 patent)Sayuri HashizumeSayuri Hashizume (7 patents)Toshiyuki UtsukiToshiyuki Utsuki (32 patents)Kenta KumagaiKenta Kumagai (20 patents)Takashi YamamotoTakashi Yamamoto (32 patents)Kazuhiko NishiyamaKazuhiko Nishiyama (18 patents)Yoshikatsu KasaharaYoshikatsu Kasahara (17 patents)Mitsuo MiyamotoMitsuo Miyamoto (16 patents)Yasuji MorishitaYasuji Morishita (15 patents)Chikazu YokoiChikazu Yokoi (13 patents)Takashi OhwadaTakashi Ohwada (8 patents)Yoshihiro IwamaYoshihiro Iwama (35 patents)Masami AokiMasami Aoki (34 patents)Masaki TakanoMasaki Takano (27 patents)Koichi UmezawaKoichi Umezawa (11 patents)Shigeki MasatsuguShigeki Masatsugu (10 patents)Takamasa IshikawaTakamasa Ishikawa (9 patents)Toshihiko WadaToshihiko Wada (9 patents)Fumio KishidaFumio Kishida (7 patents)Toshio MoriToshio Mori (5 patents)Michihito WataraiMichihito Watarai (5 patents)Junichi KuwataJunichi Kuwata (3 patents)Yutaka HayashiYutaka Hayashi (3 patents)Toshio OhdairaToshio Ohdaira (2 patents)Tomoyuki ShimaguchiTomoyuki Shimaguchi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (7 from 42,485 patents)


7 patents:

1. 11409369 - Wearable user interface control system, information processing system using same, and control program

2. D690694 - Magnetic disk storage unit for electronic computer

3. D650383 - Magnetic disc storage unit for electronic computer

4. D575780 - Magnetic disc storage unit for electronic computer

5. D460886 - Front panel of a storage unit

6. D444148 - Computer housing

7. D427191 - Computer housing

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12/3/2025
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