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For the Inventor, By the Inventor

Nagano, Japan

A.k. Technical Laboratory, Inc.


USPTO Granted Patents = 45

% Expired Patents = 20.0



Trademarks = 1

Forward Citations = 566

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34 inventors (with patents filed for the assignee):

goldMedal Hideaki Koda (13 out of 13 patents)

silverMedal Setsuyuki Takeuchi (12 out of 12 patents)

bronzeMedal Nobukuni Ibe (7 out of 7 patents)

4.  Hisashi Nakajima (7 out of 7 patents)

5.  Yukio Yanagimachi (4 out of 4 patents)

6.  Sentaro Kobayashi (4 out of 4 patents)

7.  Takekazu Mochizuki (4 out of 4 patents)

8.  Hisao Yamaguchi (3 out of 3 patents)

9.  Naohide Matsuzaka (2 out of 2 patents)

10.  Yutaka Nakamura (2 out of 2 patents)

11.  Motohiro Matsuzawa (2 out of 2 patents)

12.  Shigeto Aoki (1 out of 4 patents)

13.  Hiroshi Takeda (1 out of 35 patents)

14.  Yutaka Yoshiike (1 out of 1 patent)

15.  Kazuhide Hasegawa (1 out of 1 patent)


Core Competencies:
Injection Stretch Blow Molding
Preform Design
Heat-Resistant Containers
Blow Molding Machine
Clamping Device
Biaxial Stretching
Rotary Transfer Device
Hot Runner System
Synthetic Resin Handle
Hermetic Seal
Polyester Resin
Wide-Mouthed Bottle

45 patents:

1. 10953588 - Injection mold for injection stretch blow molding machine, method for molding preform, preform, method for molding container, and container (2021-03-23),
2. 8389085 - Preform for stretch blow-molded bottle (2013-03-05),
3. 8047832 - Injection/stretch blow molding machine (2011-11-01),
4. 8021596 - Method for injection stretch blow molding (2011-09-20),
5. 7887744 - Method of injection stretch blow molding heatproof bottles (2011-02-15),
6. 7402333 - Tube-like plastic container and preform therefor (2008-07-22),
7. 7387825 - Preform for small flat container and small flat container (2008-06-17),
8. 7314360 - Stretch rod extending device and bottom mold lifting device for stretch blow molding machine (2008-01-01),
9. 7147456 - Mold device having a combination of molds for stretch blow molding (2006-12-12),
10. 7131830 - Blow molding machine (2006-11-07),
11. 7114945 - Blow mold device (2006-10-03),
12. 7033162 - Injection blow molding device (2006-04-25),
13. 7001172 - Clamping device for injection blow or injection stretch blow molding machine (2006-02-21),
14. 6929463 - Rotary transfer device in blow molding machine (2005-08-16),
15. 6890621 - Stretch blow receptacle and molding method of the same (2005-05-10),
Company Overview
A.k. Technical Laboratory, Inc., based in Nagano, Japan, specializes in advanced manufacturing technologies, particularly in the field of injection stretch blow molding. The company focuses on developing innovative preform technology and blow molding machines, catering to the production of heat-resistant packaging and polyester resin containers. Their expertise extends to biaxial stretching and rotary transfer devices, emphasizing hermetic sealing solutions that enhance product integrity and performance in various applications.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

45 Patents

#30 in Nagano

#1,829 in Japan

#15,436 in the World

Nagano, JP
Nagano, Japan

A.k. Technical Laboratory, Inc.

Forward Citations = 566

34 inventors:

goldMedal Hideaki Koda (13 out of 13 patents)

silverMedal Setsuyuki Takeuchi (12 out of 12 patents)

bronzeMedal Nobukuni Ibe (7 out of 7 patents)

4.  Hisashi Nakajima (7 out of 7 patents)

5.  Yukio Yanagimachi (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: A.k. Technical Laboratory, Inc.. Retrieved from https://idiyas.com/company/a-k-technical-laboratory

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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