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For the Inventor, By the Inventor

Tokyo, Japan

Yozo Ishikawa

This inventor holds 12 USPTO granted patents and 8 published patent applications and 2 EPO patents. Top assignees: The Furukawa Electric Co., Ltd., Furukawa Electric., Ltd., Ntt Corporation. Active years: 2008-2026.

USPTO Granted Patents = 12 

% Patents Active = 83.3

 

Average Co-Inventor Count = 2.9

ph-index = 3

Forward Citations = 18(Granted Patents)


Company Filing History:

goldMedal11 out of 2,643 
 
The Furukawa Electric Co., Ltd.
 patents
silverMedal1 out of 46 
 
Furukawa Electric., Ltd.
 patents
bronzeMedal1 out of 541 
 
Ntt Corporation
 patents
where one patent can have more than one assignee

Years Active: 2008-2026

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12 patents (USPTO):Explore Patents
1. 12572037 - Optical module (2026-03-10),
2. 12468096 - Optical device and method for manufacturing optical device (2025-11-11),
3. 12461362 - Optical module and optical device (2025-11-04),
4. 12199678 - Optical module (2025-01-14),
5. 11722221 - Optical module (2023-08-08),
6. 9817192 - Optical module, optical module mounting method, optical module-mounted circuit substrate, optical module evaluation kit system, circuit substrate, and communication system (2017-11-14),
7. 9729242 - Optical module for reducing crosstalk (2017-08-08),
8. 9632265 - Optical module, optical module mounting method, optical module-mounted circuit substrate, optical module evaluation kit system, circuit substrate, and communication system (2017-04-25),
9. 9122025 - Optical module (2015-09-01),
10. 9033593 - Optical module (2015-05-19),
11. 8366325 - Optical module and method of manufacturing thereof (2013-02-05),
12. 7412148 - Optical module including an optical component and an optical device (2008-08-12),
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