Growing community of inventors

Kyoto, Japan

Kouhei Koyama

Average Co-Inventor Count = 2.57

ph-index = 10

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 = 189

Kouhei KoyamaShigeru Tamai (14 patents)Kouhei KoyamaMasatoshi Shintani (12 patents)Kouhei KoyamaMasatoshi Shitani (1 patent)Kouhei KoyamaKouhei Koyama (15 patents)Shigeru TamaiShigeru Tamai (24 patents)Masatoshi ShintaniMasatoshi Shintani (13 patents)Masatoshi ShitaniMasatoshi Shitani (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Seed Rubber Company Limited (11 from 12 patents)

2. Seed Company Limited (4 from 34 patents)


15 patents:

1. 6830089 - Coat film transfer head device and coat film transfer tool

2. 6808565 - Clutch mechanism of coat film transfer tool and coat film transfer tool

3. 6769470 - Mark transfer tool and mark transfer tape

4. 6681827 - Mark transfer tool and mark transfer tape

5. 6595260 - Mark transfer tool and mark transfer tape

6. 6575220 - Mark transfer tool and mark transfer tape

7. 6521045 - Clutch mechanism of coat film transfer tool and coat film transfer tool

8. 6500259 - Coat film transfer tape cartridge and coat film transfer tool

9. 6418997 - Tape cartridge for coat film transfer tool and coat film transfer tool

10. 6227274 - Tape cartridge for coat film transfer tool and coat film transfer tool

11. 6062286 - Clutch mechanism of coat film transfer tool and coat film transfer tool

12. 5792263 - Tape cartridge for coating film transfer tool and coating film transfer

13. 5785437 - Tape cartridge for coating film transfer tool and coating film transfer

14. 5556469 - Coating film transfer tool

15. 5490898 - Coating film transfer tool

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as of
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