Growing community of inventors

Ohta-ku, Japan

Sachiko Fukumaru

Average Co-Inventor Count = 3.21

ph-index = 7

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 = 311

Sachiko FukumaruAsaki Umezawa (10 patents)Sachiko FukumaruDaisuke Taniuchi (4 patents)Sachiko FukumaruRyo Furutani (4 patents)Sachiko FukumaruMikane Ichikawa (3 patents)Sachiko FukumaruTomohiko Sasaki (2 patents)Sachiko FukumaruToshihiko Kawa (2 patents)Sachiko FukumaruHitomi Mizutani (2 patents)Sachiko FukumaruKazuki Sasayama (2 patents)Sachiko FukumaruHiroshi Yamaguchi (1 patent)Sachiko FukumaruFumiyoshi Kittaka (1 patent)Sachiko FukumaruMikane Tago (1 patent)Sachiko FukumaruTomoki Shibukawa (1 patent)Sachiko FukumaruSachiko Fukumaru (12 patents)Asaki UmezawaAsaki Umezawa (25 patents)Daisuke TaniuchiDaisuke Taniuchi (10 patents)Ryo FurutaniRyo Furutani (7 patents)Mikane IchikawaMikane Ichikawa (7 patents)Tomohiko SasakiTomohiko Sasaki (33 patents)Toshihiko KawaToshihiko Kawa (12 patents)Hitomi MizutaniHitomi Mizutani (6 patents)Kazuki SasayamaKazuki Sasayama (5 patents)Hiroshi YamaguchiHiroshi Yamaguchi (169 patents)Fumiyoshi KittakaFumiyoshi Kittaka (18 patents)Mikane TagoMikane Tago (12 patents)Tomoki ShibukawaTomoki Shibukawa (12 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (12 from 28,544 patents)


12 patents:

1. D911364 - Display screen with graphical user interface

2. D910699 - Display screen with graphical user interface

3. 10158775 - Image processing apparatus, information processing apparatus, and medium

4. 9942425 - Image processing apparatus, information processing apparatus, and medium that selectively provide prompts to confirm orientation

5. D781898 - Display screen with graphical user interface

6. D781897 - Display screen with transitional graphical user interface

7. D774517 - Display screen or portion thereof with animated graphical user interface

8. D770507 - Display screen with graphical user interface

9. 9294638 - Information processing system, information processing apparatus, information processing method, and computer-readable storage medium

10. D715323 - Display screen with graphic icon

11. D710383 - Display screen with changeable graphic

12. D710384 - Display screen with changeable graphic

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as of
12/8/2025
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