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For the Inventor, By the Inventor

Niigata, Japan

Naoetsu Electronics Co., Ltd.


USPTO Granted Patents = 11


Forward Citations = 91

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12 inventors (with patents filed for the assignee):

goldMedal Tsutomu Satoh (5 out of 5 patents)

silverMedal Tsutomu Sato (3 out of 6 patents)

bronzeMedal Takeshi Akatsuka (2 out of 3 patents)

4.  Hisashi Ohshima (2 out of 2 patents)

5.  Shunichi Igarashi (1 out of 1 patent)

6.  Tsutomu Onishi (1 out of 1 patent)

7.  Hirokazu Kimura (1 out of 1 patent)

8.  Yasushi Yoshimura (1 out of 2 patents)

9.  Tadashi Ibaraki (1 out of 1 patent)

10.  Kouichi Nishimaki (1 out of 1 patent)

11.  Kiyoo Katagiri (1 out of 2 patents)

12.  Mitsuo Honda (1 out of 1 patent)

13.  Takenori Watabe (60 patents)

14.  Hiroyuki Ohtsuka (38 patents)

15.  Toyohiro Ueguri (5 patents)


11 patents:

1. 7700400 - Back junction solar cell and process for producing the same (2010-04-20),
2. 6332833 - Method for fabricating silicon semiconductor discrete wafer (2001-12-25),
3. 6093648 - Production method for a discrete structure substrate (2000-07-25),
4. 6090720 - Wet etching method for silicon semiconductor wafer (2000-07-18),
5. 6066562 - Method for fabricating silicon semiconductor discrete wafer (2000-05-23),
6. 5472909 - Method for the preparation of discrete substrate plates of semiconductor (1995-12-05),
7. 5240882 - Process and apparatus for making discrete type substrates by re-slicing (1993-08-31),
8. 5154873 - Method and apparatus for mounting slice base on wafer of semiconductor (1992-10-13),
9. 5142756 - Apparatus for loading and re-slicing semiconductor wafer (1992-09-01),
10. 5045505 - Method of processing substrate for a beveled semiconductor device (1991-09-03),
11. 4433510 - Method for controlling thickness of wafer-like work pieces under lapping (1984-02-28),
Company Overview
Naoetsu Electronics Co., Ltd. is a Japanese company based in Niigata, specializing in the development and manufacturing of electronic components and systems. The organization focuses on advanced technologies in areas such as telecommunications, automotive electronics, and industrial automation. With a commitment to innovation, Naoetsu Electronics plays a significant role in enhancing the functionality and efficiency of electronic devices, contributing to various sectors including consumer electronics and infrastructure development.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

11 Patents

#14 in Niigata

#4,137 in Japan

#51,761 in the World

Niigata, JP
Niigata, Japan

Naoetsu Electronics Co., Ltd.

Forward Citations = 91

12 inventors:

goldMedal Tsutomu Satoh (5 out of 5 patents)

silverMedal Tsutomu Sato (3 out of 6 patents)

bronzeMedal Takeshi Akatsuka (2 out of 3 patents)

4.  Hisashi Ohshima (2 out of 2 patents)

5.  Shunichi Igarashi (1 out of 1 patent)

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