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For the Inventor, By the Inventor

JP

Sii Micro Parts Ltd.


USPTO Granted Patents = 8

% Expired Patents = 75.0

Forward Citations = 33

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19 inventors (with patents filed for the assignee):

goldMedal Shunji Watanabe (5 out of 55 patents)

silverMedal Hideharu Onodera (5 out of 20 patents)

bronzeMedal Tsugio Sakai (4 out of 22 patents)

4.  Yoshimi Kanno (3 out of 11 patents)

5.  Hironobu Itoh (2 out of 7 patents)

6.  Yutaka Makishima (2 out of 5 patents)

7.  Yoshibumi Nakamura (2 out of 5 patents)

8.  Shinichi Takasugi (2 out of 8 patents)

9.  Tsuneaki Tamachi (1 out of 30 patents)

10.  Kazutaka Yuzurihara (1 out of 15 patents)

11.  Kenji Ogata (1 out of 2 patents)

12.  Kensuke Tahara (1 out of 13 patents)

13.  Morio Ishizaki (1 out of 7 patents)

14.  Toyoo Harada (1 out of 10 patents)

15.  Koji Tomitsuka (1 out of 1 patent)


8 patents:

1. 7541111 - Electrochemical cell and fabrication method of the same (2009-06-02),
2. 7311995 - Electrochemical cell (2007-12-25),
3. 7169506 - Electrochemical cell (2007-01-30),
4. 7023078 - Packages for communication devices (2006-04-04),
5. 6733544 - Method of producing electrical double layer capacitor and method of mounting electrical double layer capacitor on a circuit substrate (2004-05-11),
6. 6713215 - Non-aqueous electrolyte rechargeable batteries (2004-03-30),
7. 6509714 - Secondary battery with terminals and capacitor with terminals (2003-01-21),
8. 6143041 - Process for manufacturing a button type alkaline battery (2000-11-07),
Company Overview
Sii Micro Parts Ltd. is a leading supplier of high-quality micro parts for the electronics industry. With a focus on precision engineering and cutting-edge technology, we provide specialized components for a range of electronic devices, including smartphones, laptops, and wearables. Our mission is to deliver reliable, cost-effective solutions to our customers while maintaining the highest standards of quality and service.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

8 Patents

#140 in

#5,049 in Japan

JP
JP

Sii Micro Parts Ltd.

Forward Citations = 33

19 inventors:

goldMedal Shunji Watanabe (5 out of 55 patents)

silverMedal Hideharu Onodera (5 out of 20 patents)

bronzeMedal Tsugio Sakai (4 out of 22 patents)

4.  Yoshimi Kanno (3 out of 11 patents)

5.  Hironobu Itoh (2 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sii Micro Parts Ltd.. Retrieved from https://idiyas.com/company/sii-micro-parts

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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