Growing community of inventors

Tokyo, Japan

Norifumi Yagi

Average Co-Inventor Count = 3.90

ph-index = 2

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 = 8

Norifumi YagiTakao Ishida (15 patents)Norifumi YagiKanya Hiroi (15 patents)Norifumi YagiMamoru Nomura (10 patents)Norifumi YagiMinoru Yoshida (3 patents)Norifumi YagiKazuhiro Ogura (3 patents)Norifumi YagiHiroshi Hashidume (3 patents)Norifumi YagiNorifumi Yagi (15 patents)Takao IshidaTakao Ishida (30 patents)Kanya HiroiKanya Hiroi (17 patents)Mamoru NomuraMamoru Nomura (12 patents)Minoru YoshidaMinoru Yoshida (131 patents)Kazuhiro OguraKazuhiro Ogura (66 patents)Hiroshi HashidumeHiroshi Hashidume (21 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Toshiba (15 from 52,766 patents)

2. Toshiba Tec Kabushiki Kaisha (15 from 6,184 patents)


15 patents:

1. 10057452 - Image forming system and image forming method

2. 10007222 - Cartridge, image forming apparatus and quality determining method of cartridge

3. 9891573 - Apparatus and method for forming an image on a recording medium using erasable material and non-erasable material

4. 9868314 - Decoloring method and decoloring device

5. 9796200 - Decoloring method and decoloring device

6. 9684273 - Apparatus that forms an image on a medium using a plurality of erasable materials and erasing apparatus

7. 9619188 - Image forming system and image forming method

8. 9552184 - Facsimile apparatus and method for printing facsimile

9. 9533524 - Cartridge, image forming apparatus and quality determining method of cartridge

10. 9481193 - Apparatus and method for forming an image on a medium using a plurality of erasable materials

11. 9282221 - Facsimile apparatus and method for printing facsimile

12. 9248661 - Decoloring method and decoloring device

13. 9250837 - Image forming system and image forming method

14. 9158252 - Apparatus and method for forming an image on a recording medium using erasable material and non-erasable material

15. 9128442 - Cartridge, image forming apparatus and quality determining method of cartridge

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