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For the Inventor, By the Inventor

Hiroshima, Japan

Daikyonishikawa Corporation

Calculating rank
USPTO Granted Patents = 40

% Expired Patents = 50.0


Trademarks = 1

Forward Citations = 221

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85 inventors (with patents filed for the assignee):

goldMedal Takeharu Suga (6 out of 10 patents)

silverMedal Satoshi Enokida (5 out of 6 patents)

bronzeMedal Toshiteru Yoshimura (3 out of 12 patents)

4.  Masaharu Okamura (3 out of 6 patents)

5.  Tsuyoshi Igura (3 out of 3 patents)

6.  Toshiki Miyachi (3 out of 3 patents)

7.  Yoshiaki Saito (3 out of 8 patents)

8.  Kazuhiro Tanaka (2 out of 12 patents)

9.  Atsushi Yuki (2 out of 2 patents)

10.  Kengo Takatsugi (2 out of 2 patents)

11.  Hiroyuki Hamada (2 out of 10 patents)

12.  Hirofumi Goda (2 out of 4 patents)

13.  Katsuhiro Hamamoto (2 out of 3 patents)

14.  Daisuke Matsuoka (2 out of 2 patents)

15.  Nobuyoshi Kajioka (2 out of 4 patents)


Core Competencies:
Display Panel
Vehicle Structure
Oil Strainer
Resin Molded Articles
Airbag System
Interior Trim
Injection-Molding Mold
Composite Resin
Sound Absorber
Cap Mounting Arrangement
Automobile Door
Pillar Trim

40 patents:

1. 11958416 - Display panel (2024-04-16),
2. 11447187 - Vehicle front structure (2022-09-20),
3. 10604016 - Interior structure for vehicle (2020-03-31),
4. 10494962 - Oil strainer (2019-12-03),
5. 10113458 - Oil strainer (2018-10-30),
6. 9200676 - Fitting structure of cylindrical member (2015-12-01),
7. 9162555 - Vehicle back door (2015-10-20),
8. 9121090 - Resin molded articles (2015-09-01),
9. 9061456 - Injection-molding mold for making a resin window panel (2015-06-23),
10. 9044697 - Oil strainer with fusion bonded body, integral filter, and bonding flash accommodation parts (2015-06-02),
11. 8690220 - Structure of lift gate for vehicle (2014-04-08),
12. 8690184 - Vehicle airbag system (2014-04-08),
13. 8635983 - Oil pan structure and separator for partitioning oil pan (2014-01-28),
14. 8586894 - Vehicle window panel (2013-11-19),
15. 8575046 - SMC sheet and method for manufacturing the same (2013-11-05),
Company Overview
Daikyonishikawa Corporation, headquartered in Hiroshima, Japan, specializes in the development and manufacturing of advanced automotive components. The company focuses on key technology areas including display panels, vehicle front structures, and interior structures, contributing to the enhancement of vehicle safety and functionality. Additionally, Daikyonishikawa is involved in producing oil strainers, injection-molding molds, and vehicle airbag systems, as well as innovative resin compositions and automobile resin panels, positioning itself as a significant player in the automotive engineering sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

40 Patents

#15 in Hiroshima, 729-3431

#1,981 in Japan

#17,098 in the World

Hiroshima, JP
Hiroshima, Japan

Daikyonishikawa Corporation

Forward Citations = 221

85 inventors:

goldMedal Takeharu Suga (6 out of 10 patents)

silverMedal Satoshi Enokida (5 out of 6 patents)

bronzeMedal Toshiteru Yoshimura (3 out of 12 patents)

4.  Masaharu Okamura (3 out of 6 patents)

5.  Tsuyoshi Igura (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Daikyonishikawa Corporation. Retrieved from https://idiyas.com/company/daikyonishikawa

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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