Growing community of inventors

Osaka, Japan

Toshinori Asahi

Average Co-Inventor Count = 4.20

ph-index = 1

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 = 3

Toshinori Asahi ↔ Mituya Sakai (1 patent)Toshinori Asahi ↔ Moriyuki Takemura (1 patent)Toshinori Asahi ↔ Shohei Chida (1 patent)Toshinori Asahi ↔ Taizou Fukunaga (1 patent)Toshinori Asahi ↔ Seiji Iwasa (1 patent)Toshinori Asahi ↔ Masami Kozaki (1 patent)Toshinori Asahi ↔ Chiyoaki Ono (1 patent)Toshinori Asahi ↔ Kenji Hagimori (1 patent)Toshinori AsahiToshinori Asahi (2 patents)Mituya SakaiMituya Sakai (1 patent)Moriyuki TakemuraMoriyuki Takemura (1 patent)Shohei ChidaShohei Chida (1 patent)Taizou FukunagaTaizou Fukunaga (1 patent)Seiji IwasaSeiji Iwasa (1 patent)Masami KozakiMasami Kozaki (1 patent)Chiyoaki OnoChiyoaki Ono (1 patent)Kenji HagimoriKenji Hagimori (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Kobe Seiko Sho (1 from 1,100 patents)

2. Okumura Corporation (1 from 12 patents)

3. Nittoku Kensetsu Kabushiki Kaisha (1 from 2 patents)

4. Nippon Hyumukan Kabushiki Kaisha (1 from 1 patent)

5. Zaidan Hohjin Doboku Kenkyu Center (1 from 1 patent)


2 patents:

1. 4998776 - Shield tunneling with optional section and machine

2. 4721339 - Rock crushing device and a method thereof

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as of
1/7/2026
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