Growing community of inventors

Saitama, Japan

Hirofumi Yuda

Average Co-Inventor Count = 6.00

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 = 4

Hirofumi Yuda ↔ Kenji Nakagawa (1 patent)Hirofumi Yuda ↔ Yasunobu Uchino (1 patent)Hirofumi Yuda ↔ Yasuhisa Shioda (1 patent)Hirofumi Yuda ↔ Masaharu Ueda (1 patent)Hirofumi Yuda ↔ Takayuki Nagashima (1 patent)Hirofumi YudaHirofumi Yuda (1 patent)Kenji NakagawaKenji Nakagawa (12 patents)Yasunobu UchinoYasunobu Uchino (4 patents)Yasuhisa ShiodaYasuhisa Shioda (2 patents)Masaharu UedaMasaharu Ueda (1 patent)Takayuki NagashimaTakayuki Nagashima (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Otis Elevator Company (1 from 2,614 patents)


1 patent:

1. 6085874 - Rail-climbing elevator counterweight having flat machines

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as of
12/15/2025
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