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Kassai Kabushikikaisha

USPTO Granted Patents = 58

Forward Citations = 1,171

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3 inventors (with patents filed for the assignee):

Kenzou Kassai (55 out of 194 patents)

Kenzo Kassai (2 out of 2 patents)

Masayuki Otsuki (1 out of 1 patent)

Core Competencies:

Toy Construction Piece

Construction Toy

Baby Carriage

Electrically Driven Children's Vehicle

Collapsible Chair

Tricycle for Children

Emergency Locking Device

Infant Walking Trainer

Pushcart Handle Mechanism

Riding Toy

Baby Walker

Toy Vehicle

58 patents: Sort by Forward Citations

1. 6638434 - Method for automatically controlling the level of dissolved oxygen in water based on a pressure tank system equipped with sterilizer (2003-10-28),

2. D286416 - Toy construction piece (1986-10-28),

3. D285584 - Construction toy (1986-09-09),

4. D285583 - Construction toy (1986-09-09),

5. D285226 - Construction toy (1986-08-19),

6. 4597116 - Bed for baby carriages (1986-07-01),

7. D284393 - Construction toy (1986-06-24),

8. D284207 - Construction toy (1986-06-10),

9. 4577877 - Pushcart handle height adjusting mechanism (1986-03-25),

10. 4577355 - Frame structure for baby carriage bed (1986-03-25),

11. 4571760 - Carry-cot (1986-02-25),

12. 4570288 - Spring supported caster having a disengageable swivel lock (1986-02-18),

13. 4567964 - Wheel stopping device (1986-02-04),

14. D282384 - Riding toy (1986-01-28),

15. 4565388 - Structure for connecting a handle to the push rods of a baby carriage (1986-01-21),

Kassai Kabushikikaisha is a leading technology company specializing in innovative software solutions. With a focus on cutting-edge developments in artificial intelligence, machine learning, and data analytics, Kassai Kabushikikaisha offers advanced software products and services to various industries. Our team of skilled professionals is committed to delivering customized solutions that help businesses optimize their operations and stay ahead of the competition. Visit our website to learn more about how Kassai Kabushikikaisha can empower your company with state-of-the-art technology solutions.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

58 Patents

#146 in Osaka

#1,543 in Japan

#12,101 in the World

Kassai Kabushikikaisha

Forward Citations = 1,171

3 inventors:

Kenzou Kassai (55 out of 194 patents)

Kenzo Kassai (2 out of 2 patents)

Masayuki Otsuki (1 out of 1 patent)

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