Growing community of inventors

Tokyo, Japan

Toshihiko Oota

Average Co-Inventor Count = 4.80

ph-index = 2

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 = 32

Toshihiko OotaHiroyuki Yamada (1 patent)Toshihiko OotaTakashi Shigematsu (1 patent)Toshihiko OotaJun Yamakawa (1 patent)Toshihiko OotaMichito Matsumoto (1 patent)Toshihiko OotaYasuo Uemura (1 patent)Toshihiko OotaTadashi Haibara (1 patent)Toshihiko OotaMasami Saito (1 patent)Toshihiko OotaMasao Ishikawa (1 patent)Toshihiko OotaToshihiko Oota (2 patents)Hiroyuki YamadaHiroyuki Yamada (68 patents)Takashi ShigematsuTakashi Shigematsu (28 patents)Jun YamakawaJun Yamakawa (11 patents)Michito MatsumotoMichito Matsumoto (5 patents)Yasuo UemuraYasuo Uemura (4 patents)Tadashi HaibaraTadashi Haibara (4 patents)Masami SaitoMasami Saito (3 patents)Masao IshikawaMasao Ishikawa (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Furukawa Electric Co., Ltd. (2 from 2,636 patents)

2. Nippon Telegraph and Telephone Corporation (1 from 5,290 patents)


2 patents:

1. 5259050 - Multicore optical connector with partitions to separate the optical

2. 5159649 - Optical switching connector

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12/28/2025
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