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For the Inventor, By the Inventor

Tokyo, Japan

Seidensha Electronics Co., Ltd.

Calculating rank
USPTO Granted Patents = 12


Forward Citations = 68

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27 inventors (with patents filed for the assignee):

goldMedal Noriaki Matsugishi (6 out of 6 patents)

silverMedal Takashi Nakajima (4 out of 83 patents)

bronzeMedal Atsushi Satoh (4 out of 4 patents)

4.  Toshihiro Furusawa (4 out of 6 patents)

5.  Shigemasa Tsubone (2 out of 2 patents)

6.  Kimihiko Watanabe (2 out of 2 patents)

7.  Shigeru Ogaya (2 out of 2 patents)

8.  Eiji Kaneko (1 out of 25 patents)

9.  Yoshiyuki Sugawara (1 out of 5 patents)

10.  Naokazu Nagasawa (1 out of 1 patent)

11.  Hirotoshi Fuse (1 out of 1 patent)

12.  Takakazu Tomizawa (1 out of 1 patent)

13.  Yoshio Fukamatsu (1 out of 1 patent)

14.  Tadahiro Konita (1 out of 1 patent)

15.  Tomotaka Orita (1 out of 2 patents)


12 patents:

1. 11214012 - Ultrasonic welding method, structure welded by ultrasonic welding method, and ultrasonic welding device (2022-01-04),
2. 10343341 - Thermal caulking device (2019-07-09),
3. 10286608 - Laser welding apparatus and laser welding method (2019-05-14),
4. 9795769 - Balloon catheter, balloon catheter manufacturing device, balloon catheter manufacturing method, catheter connection device, catheter connection method, and connected catheter (2017-10-24),
5. 9108362 - Welding device and method for welding thermoplastic resin articles, and pressing unit for the welding device (2015-08-18),
6. 5625949 - Method of securing knobs on levers (1997-05-06),
7. 5223070 - Apparatus for manufacturing an endless ribbon (1993-06-29),
8. 5202066 - Method of plasticizing molding material and apparatus therefor (1993-04-13),
9. 5202064 - Method of extrusion molding and apparatus therefor (1993-04-13),
10. 5068068 - Method and apparatus for extrusion (1991-11-26),
11. 5017311 - Method for injection molding into a resonating mold (1991-05-21),
12. 3969208 - Ultrasonic apparatus (1976-07-13),
Company Overview
Seidensha Electronics Co., Ltd. is a prominent player in the electronics industry, specializing in the development and manufacturing of advanced electronic components and systems. The company focuses on innovative solutions for various sectors, including automotive, telecommunications, and industrial applications. With a commitment to research and development, Seidensha leverages cutting-edge technologies to enhance product performance and reliability, catering to a global market while maintaining a strong presence in Japan.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 10 2026

12 Patents

#1,731 in Tokyo

#3,944 in Japan

#48,334 in the World

Tokyo, JP
Tokyo, Japan

Seidensha Electronics Co., Ltd.

Forward Citations = 68

27 inventors:

goldMedal Noriaki Matsugishi (6 out of 6 patents)

silverMedal Takashi Nakajima (4 out of 83 patents)

bronzeMedal Atsushi Satoh (4 out of 4 patents)

4.  Toshihiro Furusawa (4 out of 6 patents)

5.  Shigemasa Tsubone (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Seidensha Electronics Co., Ltd.. Retrieved from https://idiyas.com/company/seidensha-electronics-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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