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For the Inventor, By the Inventor

Tokyo, Japan

Plus Corporation

Calculating rank
USPTO Granted Patents = 83

% Expired Patents = 6.0


Trademarks = 14

Forward Citations = 970

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69 inventors (with patents filed for the assignee):

goldMedal Hiroyuki Ariga (8 out of 20 patents)

silverMedal Yasuo Narita (7 out of 16 patents)

bronzeMedal Hayato Horie (6 out of 18 patents)

4.  Kazui Fueki (6 out of 6 patents)

5.  Zooey C Chu (6 out of 51 patents)

6.  Hidefumi Amagaya (6 out of 6 patents)

7.  Ritsuo Koga (5 out of 11 patents)

8.  Naoya Yoshida (5 out of 20 patents)

9.  Yoshihiko Kobashi (5 out of 10 patents)

10.  Hiroshi Torikai (4 out of 4 patents)

11.  Toshiaki Nakata (4 out of 5 patents)

12.  Mari Takenaka (4 out of 4 patents)

13.  Atsushi Tsukamoto (3 out of 5 patents)

14.  Yoshihiro Takahashi (3 out of 18 patents)

15.  Ichiro Iwasaki (3 out of 17 patents)


Core Competencies:
Film Transfer Tool
Stapler
Scissors
Paper Cutter
Tape Dispenser
Whiteboard
Automatic Manuscript Feeder
Writing Instrument Holder
Portable Copying Machine
Height Adjustable Chair
Multipurpose Stationery Tool
Combined Overhead Projector

83 patents:

1. 12709113 - METHOD FOR MANUFACTURING DECORATIVE PIECE OF THERMOPLASTIC SYNTHETIC RESIN (2026-08-18),
2. D1131155 - Multi-functional cutter (2026-06-23),
3. 12576578 - Three-dimensional decorative piece and method of producing the same (2026-03-17),
4. D1026087 - Stamp for protecting personal information (2024-05-07),
5. D985666 - Roller stamp with letter opener (2023-05-09),
6. D966851 - Stapler (2022-10-18),
7. D892918 - Roller stamp (2020-08-11),
8. 10696509 - Transfer tape (2020-06-30),
9. D877244 - Tape dispenser (2020-03-03),
10. 10414618 - Film transfer tool (2019-09-17),
11. 10414198 - Double clip (2019-09-17),
12. D850526 - Roller stamp (2019-06-04),
13. 10240642 - Film transfer tool (2019-03-26),
14. 10150640 - Coating film transfer tool including a roller for removing debris adhered to a transfer roller (2018-12-11),
15. D811477 - Correction tool (2018-02-27),
Company Overview
Plus Corporation, headquartered in Tokyo, Japan, specializes in the development and manufacturing of innovative office supplies. The company focuses on creating tools that enhance productivity and organization, including film transfer tools, staplers, scissors, paper cutters, tape dispensers, and whiteboards. Additionally, Plus Corporation is known for its automatic manuscript feeders and writing instrument holders, reflecting its commitment to providing practical solutions for both personal and professional environments.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

83 Patents

#612 in Tokyo

#1,273 in Japan

#9,162 in the World

Tokyo, JP
Tokyo, Japan

Plus Corporation

Forward Citations = 970

69 inventors:

goldMedal Hiroyuki Ariga (8 out of 20 patents)

silverMedal Yasuo Narita (7 out of 16 patents)

bronzeMedal Hayato Horie (6 out of 18 patents)

4.  Kazui Fueki (6 out of 6 patents)

5.  Zooey C Chu (6 out of 51 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Plus Corporation. Retrieved from https://idiyas.com/company/plus

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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