% Expired Patents = 80.0

EPO Patents = 1

Forward Citations = 9

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8 inventors (with patents filed for the assignee):

Wataru Aoki (5 out of 7 patents)

Jiro Osawa (2 out of 21 patents)

Norihiro Masuda (2 out of 3 patents)

4. Tamotsu Nagai (1 out of 5 patents)

5. Masakazu Kakimoto (1 out of 4 patents)

6. Yasuo Hamatake (1 out of 5 patents)

7. Hirotsugu Takahama (1 out of 1 patent)

8. Masakazu Nakamura (1 out of 1 patent)

9. Wataru c/o Btt Corporation Aoki (0 patent)

5 patents: Sort by Forward Citations

1. 9434009 - Drill and boring device using same (2016-09-06),

2. 8753049 - Cutting tool (2014-06-17),

3. 8382404 - Drill (2013-02-26),

4. 8257144 - Neck portion grinding apparatus and grinding device employed in the neck portion grinding apparatus (2012-09-04),

5. 7699565 - Radius endmill (2010-04-20),

Btt Corporation is a leading technology company specializing in innovative software solutions. With a focus on delivering quality products and exceptional customer service, Btt Corporation has established itself as a trusted partner for businesses of all sizes. Our team of experienced professionals is dedicated to providing cutting-edge technology solutions to help our clients achieve their goals and drive success.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

5 Patents

#145 in Aichi

#6,651 in Japan

Aichi, Japan

Btt Corporation