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Kawasumi Laboratories. Inc.

USPTO Granted Patents = 46

EPO Patents = 11

Trademarks = 7

Forward Citations = 803

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107 inventors (with patents filed for the assignee):

Seiichi Ono (6 out of 6 patents)

Dai Yamanouchi (4 out of 6 patents)

Masatoshi Watanabe (4 out of 5 patents)

4. Yoshihiko Yokoi (3 out of 9 patents)

5. Hiroaki Nomiyama (3 out of 3 patents)

6. Takeo Juji (3 out of 3 patents)

7. Shin Ishimaru (2 out of 7 patents)

8. Hiroo Iwata (2 out of 12 patents)

9. Motohiro Fukuda (2 out of 16 patents)

10. Yusuke Tamai (2 out of 2 patents)

11. Tomokazu Mukai (2 out of 2 patents)

12. Yukihiro Kawano (2 out of 10 patents)

13. Kouji Mori (2 out of 3 patents)

14. Kazuaki Mitsudou (2 out of 3 patents)

15. Yoshiharu Yoshikawa (2 out of 2 patents)

Core Competencies:

Medical Needle

Catheter

Biliary Stent

Microcatheter

Stent Graft

Anti-Adhesion Material

Therapeutic Material Delivery

Blood Purification

Plasma Separation

Indwelling Device

Safety Apparatus

Synthetic Composition

46 patents: Sort by Forward Citations

1. 11850409 - Medical needle (2023-12-26),

2. 11457938 - Foreign substance removing device and foreign substance collecting system (2022-10-04),

3. 11426192 - Catheter for removing foreign body in blood vessel (2022-08-30),

4. 11317922 - Filler material, filler delivery device, and filler delivery method (2022-05-03),

5. 11298504 - Medical device (2022-04-12),

6. 10603447 - Safety apparatus for medical needles (2020-03-31),

7. 9226812 - Biliary stent (2016-01-05),

8. 9067041 - Microcatheter (2015-06-30),

9. 8956307 - Blood collection set, sampling holder, and needlestick-preventive needle cover (2015-02-17),

10. 8900291 - Medical instrument and metal product (2014-12-02),

11. 8852259 - Indwelling device for tubular medical treatment instrument and front tip of indwelling device for tubular medical treatment instrument (2014-10-07),

12. 8821900 - Anti-adhesion material (2014-09-02),

13. 8137393 - Stent graft indwelling device and fixed chip (2012-03-20),

14. 8118786 - Guarded medical winged needle assembly (2012-02-21),

15. 7985251 - Stent (2011-07-26),

Kawasumi Laboratories, Inc. is a leading global company specializing in medical devices. With over 70 years of experience, we are dedicated to improving healthcare by developing innovative products and solutions. Our diverse portfolio includes advanced infusion systems, blood management systems, and renal therapies. We are committed to ensuring patient safety and delivering high-quality products that meet the needs of healthcare professionals. Visit our website to learn more about our extensive range of medical devices and our mission to enhance patient care worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

46 Patents

#1 in Saiki

#1,770 in Japan

#14,687 in the World

Kawasumi Laboratories. Inc.

Forward Citations = 803

107 inventors:

Seiichi Ono (6 out of 6 patents)

Dai Yamanouchi (4 out of 6 patents)

Masatoshi Watanabe (4 out of 5 patents)

4. Yoshihiko Yokoi (3 out of 9 patents)

5. Hiroaki Nomiyama (3 out of 3 patents)

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