Growing community of inventors

Iwate-ken, Japan

Tsutomu Ojima

Average Co-Inventor Count = 2.00

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 = 16

Tsutomu Ojima ↔ Megumi Horiuchi (2 patents)Tsutomu Ojima ↔ Atsushi Kuwabara (1 patent)Tsutomu Ojima ↔ Toru Sekiguchi (1 patent)Tsutomu OjimaTsutomu Ojima (4 patents)Megumi HoriuchiMegumi Horiuchi (18 patents)Atsushi KuwabaraAtsushi Kuwabara (15 patents)Toru SekiguchiToru Sekiguchi (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Citizen Electronics Co., Ltd. (4 from 608 patents)

2. Citizen Iwate Co., Ltd. (3 from 3 patents)


4 patents:

1. 7142684 - Microphone assembly

2. 7107665 - Method for manufacturing microphone assembly

3. 6898294 - Microphone set

4. 6843658 - Electric connector for connecting electronic instruments

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idiyas.com
as of
1/14/2026
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