Growing community of inventors

Toda, Japan

Hisaya Ishio

Average Co-Inventor Count = 1.26

ph-index = 8

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 = 187

Hisaya IshioKeiichiro Takahashi (4 patents)Hisaya IshioHitoshi Kato (3 patents)Hisaya IshioKatsuhiro Yoshida (2 patents)Hisaya IshioJun Ishii (1 patent)Hisaya IshioRyoichi Ishiura (1 patent)Hisaya IshioHisaya Ishio (25 patents)Keiichiro TakahashiKeiichiro Takahashi (48 patents)Hitoshi KatoHitoshi Kato (225 patents)Katsuhiro YoshidaKatsuhiro Yoshida (9 patents)Jun IshiiJun Ishii (34 patents)Ryoichi IshiuraRyoichi Ishiura (13 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toshiba Tec Kabushiki Kaisha (22 from 6,184 patents)

2. Kabushiki Kaisha Toshiba (4 from 52,766 patents)

3. Kabushiki Kaisha Tec (3 from 122 patents)


25 patents:

1. D1065318 - Label printer

2. D978236 - Copier

3. D970607 - Printer

4. D965060 - Document feeder for copier

5. D953414 - Document feeder for copier

6. D893590 - Printer

7. D803309 - Electronic copying machine

8. D803310 - Electronic copying machine

9. D803308 - Electronic copying machine

10. 8351811 - Image forming apparatus with locking storage for output images

11. D626587 - Electronic copying machine

12. 7805105 - Closing auxiliary device and image forming apparatus therewith

13. 7529516 - Method and apparatus for image processing

14. D580484 - Electronic office machine

15. D579485 - Collating machine for an electronic copying machine

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as of
1/8/2026
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