Yoshio Chigira

This inventor holds 7 USPTO granted patents and 5 published patent applications and 6 EPO patents. Top assignees: Max Co., Ltd., Max Inc.. Active years: 2013-2026.

USPTO Granted Patents = 7 (Patent Applications = 5)

% Patents Active = 100.0

EPO Patents = 6 (Patent Applications = 9)

Average Co-Inventor Count = 2.8

ph-index = 1

Forward Citations = 6(Granted Patents)

Location History:

Chuo-ku, JP (2013)
Tokyo, JP (2020 - 2023)

Company Filing History:

Years Active: 2013-2026

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12544896 - Staple removing device (2026-02-10),

2. 11787029 - Electric stapler (2023-10-17),

3. 11745382 - Electric stapler, post-processing device, and image forming system (2023-09-05),

4. 11559877 - Staple removing device (2023-01-24),

5. 11325805 - Electric stapler, post-processing device, and image forming system (2022-05-10),

6. 10654190 - Stapler, post-processing apparatus and image forming system (2020-05-19),

7. 8365970 - Electric stapler that detects paper (2013-02-05),

I specialize in innovations, inventions, inventors, patent attorneys, assignees, and patents.

Profile summary based on public USPTO records.

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5 patents pending:

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6 patents (EPO):

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9 patents pending (EPO):

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