Growing community of inventors

Hikone, Japan

Toshiro Koyanagi

Average Co-Inventor Count = 2.11

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 = 171

Toshiro KoyanagiYayoi Hashimoto (5 patents)Toshiro KoyanagiHaruyuki Takagi (3 patents)Toshiro KoyanagiKoji Hiramatsu (2 patents)Toshiro KoyanagiTsuyoshi Fujiwara (1 patent)Toshiro KoyanagiOsamu Nakagawa (1 patent)Toshiro KoyanagiMakoto Ogawa (1 patent)Toshiro KoyanagiTeruhiko Hiruta (1 patent)Toshiro KoyanagiShizutaka Matsuura (1 patent)Toshiro KoyanagiNoriyuki Kosugi (1 patent)Toshiro KoyanagiAtsushi Hiroshige (1 patent)Toshiro KoyanagiToshiaki Iwasaki (1 patent)Toshiro KoyanagiYoshinobu Sawamoto (1 patent)Toshiro KoyanagiHiroo Kawaguchi (1 patent)Toshiro KoyanagiShunichi Katsumata (1 patent)Toshiro KoyanagiYoshitake Kitaguchi (1 patent)Toshiro KoyanagiToshiro Koyanagi (12 patents)Yayoi HashimotoYayoi Hashimoto (5 patents)Haruyuki TakagiHaruyuki Takagi (3 patents)Koji HiramatsuKoji Hiramatsu (31 patents)Tsuyoshi FujiwaraTsuyoshi Fujiwara (23 patents)Osamu NakagawaOsamu Nakagawa (17 patents)Makoto OgawaMakoto Ogawa (16 patents)Teruhiko HirutaTeruhiko Hiruta (16 patents)Shizutaka MatsuuraShizutaka Matsuura (16 patents)Noriyuki KosugiNoriyuki Kosugi (12 patents)Atsushi HiroshigeAtsushi Hiroshige (9 patents)Toshiaki IwasakiToshiaki Iwasaki (4 patents)Yoshinobu SawamotoYoshinobu Sawamoto (2 patents)Hiroo KawaguchiHiroo Kawaguchi (2 patents)Shunichi KatsumataShunichi Katsumata (2 patents)Yoshitake KitaguchiYoshitake Kitaguchi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Takata Corporation (10 from 1,161 patents)

2. Other (1 from 832,912 patents)

3. Takada Corporation (1 from 3 patents)


12 patents:

1. 9469269 - Passenger retaining apparatus

2. 6412866 - Child seat

3. 6183044 - Child seat

4. 5671971 - Apparatus for adjusting fastening position of fastening means in seat

5. 5584107 - Buckle device for infant restraining seat

6. 5413401 - Restraining protective seat for infants

7. 5378038 - Restraining protective foldable seat for infants

8. D353057 - Car chair for a child

9. 5344213 - Restraining protective seat for infants

10. 5303979 - Apparatus for adjusting fastening position of fastening means in seat

11. 5294185 - Restraining protective seat for infants

12. D343738 - Car chair

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/6/2026
Loading…