logo

For the Inventor, By the Inventor

Tokyo, Japan

Koki Company Limited


USPTO Granted Patents = 23



Trademarks = 2

Forward Citations = 5

Loading Chart...
Loading Chart...

35 inventors (with patents filed for the assignee):

goldMedal Mitsuyasu Furusawa (9 out of 9 patents)

silverMedal Kazuhiro Yukikata (8 out of 8 patents)

bronzeMedal Noriyoshi Uchida (7 out of 11 patents)

4.  Takeshi Yahagi (5 out of 5 patents)

5.  Yuri Misumi (3 out of 3 patents)

6.  Motohide Sasaki (3 out of 3 patents)

7.  Tatsuya Baba (2 out of 7 patents)

8.  Naoto Ozawa (2 out of 11 patents)

9.  Kimiaki Mori (2 out of 2 patents)

10.  Arisa Shiraishi (2 out of 3 patents)

11.  Junichi Aoki (2 out of 11 patents)

12.  Atsushi Irisawa (2 out of 2 patents)

13.  Satoshi Ootani (2 out of 2 patents)

14.  Takayuki Suzuki (2 out of 39 patents)

15.  Takefumi Arai (2 out of 2 patents)


23 patents:

1. 12678896 - Flux (2026-07-14),
2. 12138714 - Flux, solder paste, soldering process, method for producing soldered product, and method for producing BGA package (2024-11-12),
3. 11975411 - Flux and solder paste (2024-05-07),
4. 11833622 - Flux and solder paste (2023-12-05),
5. 11833621 - Flux and solder material (2023-12-05),
6. 11825612 - Flux, solder paste, and method for producing electric circuit board (2023-11-21),
7. 11806818 - Flux and solder paste (2023-11-07),
8. 11806817 - Flux and solder paste (2023-11-07),
9. 11607752 - Solder alloy, solder joint material, and electronic circuit board (2023-03-21),
10. 11541485 - Flux, resin flux cored solder, and solder paste (2023-01-03),
11. 11517985 - Solder composition (2022-12-06),
12. 11447626 - Resin composition for reinforcement and electronic component device (2022-09-20),
13. 11446752 - Method for producing joined structure (2022-09-20),
14. 11425825 - Solder paste using a solder paste flux and solder powder (2022-08-23),
15. 11407069 - Flux and solder composition (2022-08-09),
Company Overview
Koki Company Limited, based in Tokyo, specializes in the development and manufacturing of advanced materials and precision equipment. The company focuses on innovative solutions in the fields of electronics and semiconductor technologies, providing essential components for various industries. Koki is recognized for its commitment to research and development, aiming to enhance product performance and reliability. With a strong emphasis on quality and sustainability, Koki continues to contribute to technological advancements on a global scale.
Profile summary synthesized from public USPTO records and patent filings.

logo

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

23 Patents

#1,246 in Tokyo

#2,705 in Japan

#27,685 in the World

Tokyo, JP
Tokyo, Japan

Koki Company Limited

Forward Citations = 5

35 inventors:

goldMedal Mitsuyasu Furusawa (9 out of 9 patents)

silverMedal Kazuhiro Yukikata (8 out of 8 patents)

bronzeMedal Noriyoshi Uchida (7 out of 11 patents)

4.  Takeshi Yahagi (5 out of 5 patents)

5.  Yuri Misumi (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Koki Company Limited. Retrieved from https://idiyas.com/company/koki-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]
Loading…