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Joel Ltd.

USPTO Granted Patents = 14

Forward Citations = 228

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32 inventors (with patents filed for the assignee):

Makoto Satou (2 out of 2 patents)

Seketsu Fukuzawa (2 out of 11 patents)

Masaki Takiwaki (2 out of 10 patents)

4. Misao Matsushige (2 out of 3 patents)

5. Hideyuki Takahashi (1 out of 115 patents)

6. Mitsuru Koizumi (1 out of 9 patents)

7. Takashi Sato (1 out of 163 patents)

8. Naoya Tanaka (1 out of 5 patents)

9. Takanori Murano (1 out of 12 patents)

10. Takaya Satoh (1 out of 16 patents)

11. Masayuki Inokuchi (1 out of 3 patents)

12. Albert Zens (1 out of 19 patents)

13. Masaki Morita (1 out of 5 patents)

14. Nari Tsutagawa (1 out of 5 patents)

15. Yuhei Kaneko (1 out of 3 patents)

14 patents: Sort by Forward Citations

1. 12625097 - X-ray spectrum analysis apparatus and method (2026-05-12),

2. 12429442 - Scanning electron microscope and map display method for absorption edge structure (2025-09-30),

3. 12198917 - Mass spectrum processing device and mass spectrum processing method (2025-01-14),

4. 12154254 - Analyzer apparatus and method of image processing (2024-11-26),

5. 12103076 - Three-dimensional powder bed fusion additive manufacturing apparatus and three-dimensional powder bed fusion additive manufacturing method (2024-10-01),

6. 11339133 - Method for producing triazolidinedione compound (2022-05-24),

7. 11192854 - Method for producing semicarbazide compound (2021-12-07),

8. 10656107 - Magnetic coupling high resolution nuclear magnetic resolution probe and method of use (2020-05-19),

9. 8158937 - Particle beam system (2012-04-17),

10. 6259960 - Part-inspecting system (2001-07-10),

11. 5876668 - Automatic biochemical analyzer (1999-03-02),

12. 5317154 - Electron microscope equipped with x-ray analyzer (1994-05-31),

13. 5206593 - Real-time control system for NMR spectrometer (1993-04-27),

14. 5071238 - Telescopic camera (1991-12-10),

Company Overview

Joel Ltd. is a Tokyo-based company specializing in advanced technology solutions across various sectors. The organization focuses on developing innovative products and services in fields such as electronics, automation, and information technology. With a commitment to research and development, Joel Ltd. aims to enhance operational efficiency and drive technological advancement. Its strategic location in Japan positions it within a vibrant ecosystem of innovation, contributing to its reputation as a leader in technology-driven solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

14 Patents

#1,599 in Tokyo

#3,584 in Japan

#42,290 in the World

Joel Ltd.

Forward Citations = 228

32 inventors:

Makoto Satou (2 out of 2 patents)

Seketsu Fukuzawa (2 out of 11 patents)

Masaki Takiwaki (2 out of 10 patents)

4. Misao Matsushige (2 out of 3 patents)

5. Hideyuki Takahashi (1 out of 115 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Joel Ltd.. Retrieved from https://idiyas.com/company/joel

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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