IDiyas

For the Inventor, By the Inventor

Nagano, Japan

Izumi Products Company


USPTO Granted Patents = 123



Trademarks = 2

Forward Citations = 1,452

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68 inventors (with patents filed for the assignee):

goldMedal Masaki Okabe (18 out of 18 patents)

silverMedal Hiromi Uchiyama (16 out of 18 patents)

bronzeMedal Tetsuhiko Shimizu (15 out of 19 patents)

4.  Tsuyoshi Nakano (12 out of 16 patents)

5.  Shunji Izumi (10 out of 22 patents)

6.  Yukio Izumi (8 out of 9 patents)

7.  Shigeru Hirabayashi (7 out of 9 patents)

8.  Seiji Iwashita (5 out of 5 patents)

9.  Akira Hirabayashi (5 out of 7 patents)

10.  Kazuhiro Momose (5 out of 5 patents)

11.  Hideaki Koike (4 out of 6 patents)

12.  Yoshiyuki Mimura (4 out of 5 patents)

13.  Kyoichi Kawafune (4 out of 4 patents)

14.  Tadashi Yasui (4 out of 9 patents)

15.  Masashi Isobe (4 out of 4 patents)


Core Competencies:
Battery Operated Cutter
Rotary Electric Shaver
Hydraulic Tool
Electric Hydraulic Pump
Reciprocating Electric Shaver
Crimping Tool
Electric Cable Cutter
Stepless Speed Changer
Portable Hydraulic Tool
Electric Grating Food Processor
Inner Blade
Electric Vacuum Cleaner

123 patents:

1. D858237 - Battery operated cutter (2019-09-03),
2. 10357889 - Inner blade of rotary electric shaver (2019-07-23),
3. D845734 - Portable battery operated oil hydraulic tool (2019-04-16),
4. D845733 - Portable battery operated oil hydraulic tool (2019-04-16),
5. 10195751 - Rotary electric shaver (2019-02-05),
6. D832670 - Portable battery operated oil hydraulic tool (2018-11-06),
7. 9789616 - Rotary electric shaver (2017-10-17),
8. 9731411 - Hydraulic tool (2017-08-15),
9. 9649772 - Rotary electric shaver (2017-05-16),
10. 9533421 - Reciprocating-type electric shaver (2017-01-03),
11. D767960 - Hydraulic cutter (2016-10-04),
12. 9364960 - Rotary electric shaver (2016-06-14),
13. D754398 - Rotary electric shaver (2016-04-19),
14. 9272477 - Pressing tool and locking bolt (2016-03-01),
15. D716124 - Battery operated oil hydraulic crimping tool and middle portion of the same (2014-10-28),
IZUMI PRODUCTS COMPANY is a leading manufacturer of high-quality consumer products. With a focus on innovation, they provide a wide range of products that enhance daily life. From kitchen appliances to electronic gadgets, IZUMI is committed to delivering superior performance and functionality. Their dedication to customer satisfaction and relentless pursuit of excellence has made them a trusted brand globally.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

123 Patents

#11 in Nagano

#965 in Japan

#6,306 in the World

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Nagano, Japan

Izumi Products Company

Forward Citations = 1,452

68 inventors:

goldMedal Masaki Okabe (18 out of 18 patents)

silverMedal Hiromi Uchiyama (16 out of 18 patents)

bronzeMedal Tetsuhiko Shimizu (15 out of 19 patents)

4.  Tsuyoshi Nakano (12 out of 16 patents)

5.  Shunji Izumi (10 out of 22 patents)

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