Growing community of inventors

Osaka, Japan

Shigeyoshi Fujita

Average Co-Inventor Count = 2.76

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 = 139

Shigeyoshi FujitaKazuyoshi Fukuhara (5 patents)Shigeyoshi FujitaTakashi Okamura (2 patents)Shigeyoshi FujitaYoshitaka Watanabe (2 patents)Shigeyoshi FujitaTomoyuki Sasaki (2 patents)Shigeyoshi FujitaHiroshi Nishikawa (1 patent)Shigeyoshi FujitaShigeyoshi Nishihara (1 patent)Shigeyoshi FujitaNaoyuki Kiuchi (1 patent)Shigeyoshi FujitaNaofumi Sekiya (1 patent)Shigeyoshi FujitaHirohsi Nishikawa (1 patent)Shigeyoshi FujitaTomoyuki Saski (1 patent)Shigeyoshi FujitaNaobumi Sekiya (1 patent)Shigeyoshi FujitaShigeyoshi Fujita (7 patents)Kazuyoshi FukuharaKazuyoshi Fukuhara (5 patents)Takashi OkamuraTakashi Okamura (16 patents)Yoshitaka WatanabeYoshitaka Watanabe (5 patents)Tomoyuki SasakiTomoyuki Sasaki (2 patents)Hiroshi NishikawaHiroshi Nishikawa (17 patents)Shigeyoshi NishiharaShigeyoshi Nishihara (17 patents)Naoyuki KiuchiNaoyuki Kiuchi (3 patents)Naofumi SekiyaNaofumi Sekiya (1 patent)Hirohsi NishikawaHirohsi Nishikawa (1 patent)Tomoyuki SaskiTomoyuki Saski (1 patent)Naobumi SekiyaNaobumi Sekiya (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Daifuku Co., Ltd. (6 from 708 patents)

2. Daifuki Co., Ltd. (1 from 4 patents)


7 patents:

1. D346767 - Guide rail for an overhead monorail

2. 5134940 - Self-propelled platform car type conveying system

3. 5123357 - Conveyor driven by linear motor with rolling surface of rail acting as

4. 4922830 - Conveyor system utilizing linear motor

5. 4823704 - Rail vehicle conveying system and rail covers therefor

6. 4671183 - Cart type conveying apparatus

7. 4545303 - Monorail conveyor system

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as of
12/19/2025
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