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Plus Corporation

USPTO Granted Patents = 83

% Expired Patents = 6.0

EPO Patents = 4

Trademarks = 14

Forward Citations = 964

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69 inventors (with patents filed for the assignee):

Hiroyuki Ariga (8 out of 20 patents)

Yasuo Narita (7 out of 16 patents)

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 13 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: Sort by Forward Citations

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),

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 based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

83 Patents

#611 in Tokyo

#1,270 in Japan

#9,142 in the World

Plus Corporation

Forward Citations = 964

69 inventors:

Hiroyuki Ariga (8 out of 20 patents)

Yasuo Narita (7 out of 16 patents)

Hayato Horie (6 out of 18 patents)

4. Kazui Fueki (6 out of 6 patents)

5. Zooey C Chu (6 out of 51 patents)

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