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For the Inventor, By the Inventor

Tokyo, Japan

Acd Inc.


USPTO Granted Patents = 14


Trademarks = 3

Forward Citations = 149

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20 inventors (with patents filed for the assignee):

goldMedal Mark Geipel (3 out of 3 patents)

silverMedal John Park (2 out of 11 patents)

bronzeMedal Dennis W Chalmers (2 out of 2 patents)

4.  Duane Bergmann (2 out of 3 patents)

5.  Asit Singhal (2 out of 2 patents)

6.  Geoff Legg (2 out of 2 patents)

7.  Jurgen Baumgart (2 out of 3 patents)

8.  Joshua Wayne Steffen (1 out of 1 patent)

9.  Ryutaro Nishiura (1 out of 5 patents)

10.  Michael Wells (1 out of 1 patent)

11.  Mugdha Dokhale (1 out of 1 patent)

12.  Elidio Ruiz (1 out of 1 patent)

13.  Mina Botrous (1 out of 1 patent)

14.  Sam Safi (1 out of 1 patent)

15.  Rahul Joshi (1 out of 1 patent)


14 patents:

1. 12241552 - Turboexpander labyrinth seal (2025-03-04),
2. 11686390 - Turboexpander labyrinth seal (2023-06-27),
3. 11326694 - Cryogenic piston ring improvement (2022-05-10),
4. 10460366 - Commercial transaction system, administration server, and program (2019-10-29),
5. 10330049 - High pressure fuel gas pump (2019-06-25),
6. 10267315 - Cryogenic submerged pump for LNG, light hydrocarbon and other electrically non-conducting and non-corrosive fluids (2019-04-23),
7. 9969605 - Liquid natural gas gun-style nozzle (2018-05-15),
8. 9478965 - Cryogenic electrical feed-through (2016-10-25),
9. 8746454 - Secure tablet package (2014-06-10),
10. 5248239 - Thrust control system for fluid handling rotary apparatus (1993-09-28),
11. 5242285 - Cryogenic vane pump (1993-09-07),
12. 4793103 - Continuous deflashing apparatus for molded articles (1988-12-27),
13. 4759156 - Blast media transport and throwing wheel (1988-07-26),
14. 4555637 - High speed turbogenerator for power recovery from fluid flow within (1985-11-26),
Company Overview
Acd Inc., headquartered in Tokyo, specializes in advanced technology solutions, focusing on the development and manufacturing of high-performance electronic components and systems. The company is known for its expertise in areas such as semiconductor technology, telecommunications, and industrial automation. With a commitment to innovation, Acd Inc. aims to enhance operational efficiency and drive technological advancements across various sectors, contributing to the evolving landscape of electronics and digital solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

14 Patents

#1,597 in Tokyo

#3,580 in Japan

#42,249 in the World

Tokyo, JP
Tokyo, Japan

Acd Inc.

Forward Citations = 149

20 inventors:

goldMedal Mark Geipel (3 out of 3 patents)

silverMedal John Park (2 out of 11 patents)

bronzeMedal Dennis W Chalmers (2 out of 2 patents)

4.  Duane Bergmann (2 out of 3 patents)

5.  Asit Singhal (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Acd Inc.. Retrieved from https://idiyas.com/company/acd

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]
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