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Tokyo Automatic Machinery Works, Ltd.

USPTO Granted Patents = 44

% Expired Patents = 2.3

Trademarks = 1

Forward Citations = 374

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58 inventors (with patents filed for the assignee):

Minoru Sato (7 out of 9 patents)

Isao Endo (7 out of 7 patents)

Toshio Shigeta (6 out of 6 patents)

4. Katsuhiko Kumata (4 out of 4 patents)

5. Yasuo Iwata (4 out of 4 patents)

6. Tatsuo Inoue (3 out of 3 patents)

7. Heiemon Akiyama (3 out of 4 patents)

8. Toshio Nagahashi (3 out of 3 patents)

9. Hisafumi Kobayashi (3 out of 3 patents)

10. Yuji Hanazawa (3 out of 3 patents)

11. Taizo Ogata (3 out of 4 patents)

12. Kiyoshi Yamashita (3 out of 3 patents)

13. Takayoshi Sagawa (3 out of 14 patents)

14. Ichiro Hirose (3 out of 11 patents)

15. Katsuyoshi Matono (3 out of 3 patents)

Core Competencies:

Work Piece Wrapping

Film Cutting Device

Packing Material Feeding

Vertical Sealing Device

Cartoning Machine

Feeding Apparatus

Bag Making

Sealing Apparatus

Pneumatic Bar Conveying

Tear Tape Changer

Flap Folding Device

Packaging Machine

44 patents: Sort by Forward Citations

1. 7607277 - Work piece wrapping apparatus (2009-10-27),

2. 7325472 - Film cutting device (2008-02-05),

3. 6834826 - Film connecting/feeding apparatus (2004-12-28),

4. 6502366 - Packing material feeding apparatus for vertical-type bag form-fill-sealing machine (2003-01-07),

5. 6378277 - Vertical sealing device for vertical type forming, filling and closing machine for flexible packages (2002-04-30),

6. 6155030 - Sealing apparatus applied to a vertical type forming, filling and (2000-12-05),

7. 5860269 - Device for feeding stock sheets (1999-01-19),

8. 5829232 - Device for detecting shortage of products in a package (1998-11-03),

9. 5776300 - Device of regulating running position of unsealing tape for packing film (1998-07-07),

10. 5775064 - Cartoning machine (1998-07-07),

11. 5709507 - Pneumatic bar conveying apparatus (1998-01-20),

12. 5699978 - Tear tape changer (1997-12-23),

13. 5694738 - Body flap folding apparatus in packaging machine (1997-12-09),

14. 5502954 - Flap folding device of wrapping machine (1996-04-02),

15. 5442894 - Packaging device (1995-08-22),

Company Overview

Tokyo Automatic Machinery Works, Ltd. specializes in the development and manufacturing of advanced packaging machinery and systems. The company focuses on a range of technologies including work piece wrapping, film cutting devices, and vertical sealing mechanisms. Their expertise extends to cartoning machines, pneumatic bar conveying systems, and bag making and filling solutions. Based in Tokyo, Japan, the organization is dedicated to enhancing packaging efficiency and innovation across various industries.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

44 Patents

#866 in Tokyo

#1,864 in Japan

#15,756 in the World

Tokyo Automatic Machinery Works, Ltd.

Forward Citations = 374

58 inventors:

Minoru Sato (7 out of 9 patents)

Isao Endo (7 out of 7 patents)

Toshio Shigeta (6 out of 6 patents)

4. Katsuhiko Kumata (4 out of 4 patents)

5. Yasuo Iwata (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tokyo Automatic Machinery Works, Ltd.. Retrieved from https://idiyas.com/company/tokyo-automatic-machinery-works

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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