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For the Inventor, By the Inventor

Kyota, Japan

Yashima Electric Co., Ltd.

Calculating rank
USPTO Granted Patents = 14

Forward Citations = 761

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11 inventors (with patents filed for the assignee):

goldMedal Toshio Taguchi (5 out of 5 patents)

silverMedal Nobuo Imamura (4 out of 4 patents)

bronzeMedal Hiroki Nakamura (4 out of 4 patents)

4.  Kiyoshi Agusa (4 out of 4 patents)

5.  Masahiro Ishikawa (3 out of 7 patents)

6.  Shin-ichiro Yamamoto (3 out of 3 patents)

7.  Jun Yoshikawa (2 out of 2 patents)

8.  Kazuo Sakurai (1 out of 2 patents)

9.  Takashi Fukuda (1 out of 1 patent)

10.  Tsuneaki Terashima (1 out of 1 patent)

11.  Teruo Okauchi (1 out of 1 patent)


14 patents:

1. 6101667 - Vacuum cleaner (2000-08-15),
2. 6055702 - Vacuum cleaner (2000-05-02),
3. 6031936 - Handwriting detecting and storing apparatus (2000-02-29),
4. 6029309 - Vacuum cleaner with dust bag fill detector (2000-02-29),
5. 5960124 - Image reproducing method for reproducing handwriting (1999-09-28),
6. 5819367 - Vacuum cleaner with optical sensor (1998-10-13),
7. 5815884 - Dust indication system for vacuum cleaner (1998-10-06),
8. 5774602 - Writing device for storing handwriting (1998-06-30),
9. 5748808 - Image reproducing method and apparatus capable of storing and (1998-05-05),
10. 5660749 - Transformer and A.C. arc welder (1997-08-26),
11. 5581622 - Head set (1996-12-03),
12. 5572767 - Generator system for a vacuum cleaner (1996-11-12),
13. 5404612 - Vacuum cleaner (1995-04-11),
14. 5215397 - Writing device for storing handwriting (1993-06-01),
Company Overview
Yashima Electric Co., Ltd. is a prominent player in the electrical and electronic manufacturing sector, specializing in the development and production of high-quality electrical components and systems. The company focuses on innovative solutions for various industries, including telecommunications, automotive, and industrial automation. With a commitment to research and development, Yashima Electric aims to enhance efficiency and reliability in its products, catering to both domestic and international markets from its headquarters in Kyoto, Japan.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

14 Patents

#1 in Kyota

#3,585 in Japan

#42,312 in the World

Kyota, JP
Kyota, Japan

Yashima Electric Co., Ltd.

Forward Citations = 761

11 inventors:

goldMedal Toshio Taguchi (5 out of 5 patents)

silverMedal Nobuo Imamura (4 out of 4 patents)

bronzeMedal Hiroki Nakamura (4 out of 4 patents)

4.  Kiyoshi Agusa (4 out of 4 patents)

5.  Masahiro Ishikawa (3 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Yashima Electric Co., Ltd.. Retrieved from https://idiyas.com/company/yashima-electric-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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