Okubo; Hirofumi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Okubo; Hirofumi.The latest application filed is for "fixing device, projection optical device, and projector".

Company Profile

1.6.9

Okubo; Hirofumi - Matsumoto JP
OKUBO; Hirofumi - Matsumoto-shi JP
Okubo; Hirofumi - Tokyo N/A JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Projection optical apparatus having reinforcing member and projector Grant 11,415,868 - Okubo August 16, 2	2022-08-16
Fixing Device, Projection Optical Device, And Projector App 20220229351 - TAKEHANA; Naoto ; et al.	2022-07-21
Projection Optical Apparatus And Projector App 20220206242 - OKUBO; Hirofumi ; et al.	2022-06-30
Mounting Member And Projection Optical Apparatus App 20220155550 - TAKIZAWA; Takahiro ; et al.	2022-05-19
Projection optical apparatus and projector Grant 11,019,313 - Okubo May 25, 2	2021-05-25
Centering mechanism, lens unit, projection system, and projector Grant 10,942,327 - Okubo March 9, 2	2021-03-09
Projection Optical Apparatus And Projector App 20200401033 - OKUBO; Hirofumi	2020-12-24
Projection Optical Apparatus And Projector App 20200404231 - OKUBO; Hirofumi	2020-12-24
Projection Optical Device And Projector App 20200249450 - Kind Code	2020-08-06
Centering Mechanism, Lens Unit, Projection System, And Projector App 20190293897 - OKUBO; Hirofumi	2019-09-26
Position detection device, optical device, light source device, and projector Grant 9,933,695 - Okubo , et al. April 3, 2	2018-04-03
Position Detection Device, Optical Device, Light Source Device, And Projector App 20170205699 - Okubo; Hirofumi ; et al.	2017-07-20
Split mechanical seal Grant 8,448,950 - Sato , et al. May 28, 2	2013-05-28
Split Mechanical Seal App 20100264597 - Sato; Tetsuya ; et al.	2010-10-21

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