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For the Inventor, By the Inventor

Tokyo, Japan

Hokkai Can Co., Ltd.

Calculating rank
USPTO Granted Patents = 48

% Expired Patents = 2.1


Forward Citations = 417

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89 inventors (with patents filed for the assignee):

goldMedal Denmi Kuwagaki (7 out of 17 patents)

silverMedal Tsutomu Shinomiya (7 out of 12 patents)

bronzeMedal Natsuyuki Mannen (7 out of 7 patents)

4.  Akihiro Yamaguchi (7 out of 7 patents)

5.  Yasuyuki Tanaka (6 out of 6 patents)

6.  Akira Nakata (5 out of 5 patents)

7.  Shinichi Tsukada (5 out of 5 patents)

8.  Yuzo Takahashi (5 out of 5 patents)

9.  Shiro Oyama (5 out of 5 patents)

10.  Koji Kobayashi (4 out of 31 patents)

11.  Michiya Tamura (4 out of 4 patents)

12.  Nobuo Takahashi (4 out of 4 patents)

13.  Katsumi Nagai (4 out of 4 patents)

14.  Keisuke Shimizu (3 out of 45 patents)

15.  Shigeki Mori (3 out of 74 patents)


Core Competencies:
Synthetic Resin Bottle
Dispensing Container
Packaging Bag
DLC Coated Container
Welded Cans
Seaming Apparatus
Easy Open Closure
Sealed Container
Container Manufacturing
Filling Inert Gas
Forming Can Bodies
Closure Arrangement

48 patents:

1. 11840367 - Synthetic resin multilayer bottle (2023-12-12),
2. 11312523 - Synthetic resin-made multilayer container (2022-04-26),
3. 11155398 - Dispensing container (2021-10-26),
4. D894016 - Packaging bag (2020-08-25),
5. D886623 - Bottle (2020-06-09),
6. D878923 - Bottle (2020-03-24),
7. D867891 - Bottle (2019-11-26),
8. D867151 - Bottle (2019-11-19),
9. D867150 - Bottle (2019-11-19),
10. 7188499 - Method and device for processing outer shape of can shell (2007-03-13),
11. 7166336 - DLC film, DLC-coated plastic container, and method and apparatus for manufacturing DLC-coated plastic container (2007-01-23),
12. 5863624 - Can-covering polyester film and production process thereof (1999-01-26),
13. 5470429 - Surface-treating apparatus for can body blanks (1995-11-28),
14. 5409129 - Welded cans (1995-04-25),
15. 5394986 - Can end tray (1995-03-07),
Company Overview
Hokkai Can Co., Ltd., based in Tokyo, specializes in the development and manufacturing of innovative packaging solutions, particularly focusing on synthetic resin multilayer bottles and advanced container technologies. The company is recognized for its expertise in DLC coated plastic containers, can covering polyester films, and various container closure technologies. Hokkai Can is committed to enhancing the efficiency and functionality of sealed container manufacturing, catering to diverse industries with a strong emphasis on quality and sustainability.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

Hokkai Can Co., Ltd. USPTO Patent Assignee Logo
48 Patents

#815 in Tokyo

#1,756 in Japan

#14,558 in the World

Tokyo, JP
Tokyo, Japan

Hokkai Can Co., Ltd.

Forward Citations = 417

89 inventors:

goldMedal Denmi Kuwagaki (7 out of 17 patents)

silverMedal Tsutomu Shinomiya (7 out of 12 patents)

bronzeMedal Natsuyuki Mannen (7 out of 7 patents)

4.  Akihiro Yamaguchi (7 out of 7 patents)

5.  Yasuyuki Tanaka (6 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hokkai Can Co., Ltd.. Retrieved from https://idiyas.com/company/hokkai-can-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]
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