Growing community of inventors

Saitama-ken, Japan

Takuya Koyanagi

Average Co-Inventor Count = 1.85

ph-index = 5

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 = 49

Takuya KoyanagiHiroshi Ogomori (3 patents)Takuya KoyanagiKatsuhiko Adachi (1 patent)Takuya KoyanagiToshiro Fujii (1 patent)Takuya KoyanagiTakayuki Tsutsui (1 patent)Takuya KoyanagiKenji Sakanoue (1 patent)Takuya KoyanagiTsugio Hanyuda (1 patent)Takuya KoyanagiKoji Hachii (1 patent)Takuya KoyanagiToshiyuki Horiguchi (1 patent)Takuya KoyanagiYuko Kato (1 patent)Takuya KoyanagiTsugio Hanyuda (1 patent)Takuya KoyanagiYukio Yanagihara (1 patent)Takuya KoyanagiRyuji Fukushima (1 patent)Takuya KoyanagiKeiko Sotomura (1 patent)Takuya KoyanagiTakuya Koyanagi (7 patents)Hiroshi OgomoriHiroshi Ogomori (5 patents)Katsuhiko AdachiKatsuhiko Adachi (8 patents)Toshiro FujiiToshiro Fujii (7 patents)Takayuki TsutsuiTakayuki Tsutsui (4 patents)Kenji SakanoueKenji Sakanoue (3 patents)Tsugio HanyudaTsugio Hanyuda (3 patents)Koji HachiiKoji Hachii (3 patents)Toshiyuki HoriguchiToshiyuki Horiguchi (3 patents)Yuko KatoYuko Kato (2 patents)Tsugio HanyudaTsugio Hanyuda (1 patent)Yukio YanagiharaYukio Yanagihara (1 patent)Ryuji FukushimaRyuji Fukushima (1 patent)Keiko SotomuraKeiko Sotomura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sanyo Electric Co., Ltd. (5 from 8,782 patents)

2. Fuji Electric Co., Ltd. (2 from 4,814 patents)

3. Seven-eleven Japan Co., Ltd. (1 from 4 patents)


7 patents:

1. D985323 - Beverage making machine

2. 6584715 - Door for automatic vending machine

3. 6155071 - Vending machine

4. D426578 - Automatic vending machine for drinks

5. D420705 - Automatic vending machine for sweets and/or drinks

6. D409248 - Automatic vending machine for sweets and/or drinks

7. D408457 - Automatic vending machine for sweets and/or drinks

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