logo

For the Inventor, By the Inventor

Sumoto, Japan

Big Alpha Co., Inc.

Calculating rank
USPTO Granted Patents = 11

% Expired Patents = 45.5


Forward Citations = 96

Loading Chart...
Loading Chart...

6 inventors (with patents filed for the assignee):

goldMedal Tsuyoshi Komine (11 out of 12 patents)

silverMedal Hirokazu Suruga (2 out of 5 patents)

bronzeMedal Masayuki Doi (1 out of 6 patents)

4.  Hidehito Nakajima (1 out of 1 patent)

5.  Haruaki Kubo (1 out of 1 patent)

6.  Takashi Yamamoto (1 out of 105 patents)

7.  Tsuyoshi c/o Big Alpha Co Inc Komine (0 patent)


11 patents:

1. 8925930 - Chuck device (2015-01-06),
2. 8534951 - Joint unit (2013-09-17),
3. 8226337 - Tap holder (2012-07-24),
4. 8061946 - Threaded assembly comprising internal thread member, and external thread member (2011-11-22),
5. 7240845 - Information-holding unit (2007-07-10),
6. 7144209 - Concave part cover (2006-12-05),
7. 6915722 - Clamping nut and tool holder with the clamping nut, and spanner (2005-07-12),
8. 6886835 - Clamp nut and collet chuck (2005-05-03),
9. 6746023 - Collet (2004-06-08),
10. 6729627 - Capped collet and collet cap (2004-05-04),
11. 5975817 - Tool holder (1999-11-02),
Company Overview
Big Alpha Co., Inc. is a prominent player in the technology sector, specializing in the development and manufacturing of advanced electronic components and systems. With a strong focus on innovation, the company engages in research across various domains, including telecommunications, automotive technology, and consumer electronics. Headquartered in Sumoto, Japan, Big Alpha Co. leverages its expertise to deliver cutting-edge solutions that meet the evolving needs of global markets, emphasizing quality and performance in all its offerings.
Profile summary synthesized from public USPTO records and patent filings.

logo

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

Big Alpha Co., Inc. USPTO Patent Assignee Logo
11 Patents

#1 in Sumoto

#4,142 in Japan

#51,873 in the World

Sumoto, JP
Sumoto, Japan

Big Alpha Co., Inc.

Forward Citations = 96

6 inventors:

goldMedal Tsuyoshi Komine (11 out of 12 patents)

silverMedal Hirokazu Suruga (2 out of 5 patents)

bronzeMedal Masayuki Doi (1 out of 6 patents)

4.  Hidehito Nakajima (1 out of 1 patent)

5.  Haruaki Kubo (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Big Alpha Co., Inc.. Retrieved from https://idiyas.com/company/big-alpha-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…