% Expired Patents = 40.0

EPO Patents = 2

Forward Citations = 2

Loading Chart...

1 inventor (with patents filed for the assignee):

Ritsuo Koga (5 out of 11 patents)

5 patents: Sort by Forward Citations

1. 11769429 - Magnetic erasing device (2023-09-26),

2. 11335487 - Magnetic eraser, writing system and display device (2022-05-17),

3. 10997880 - Magnetic erasing device (2021-05-04),

4. 10442236 - Magnetic pen (2019-10-15),

5. 10046592 - Magnetic pen (2018-08-14),

Zero Lab Co., Ltd. is a leading provider of innovative laboratory solutions. We offer a wide range of high-quality laboratory equipment and supplies to meet the needs of various industries such as healthcare, research, and education. Our team of experts is dedicated to delivering cutting-edge products and exceptional customer service to ensure our clients' success. With a focus on quality, reliability, and efficiency, Zero Lab Co., Ltd. is committed to advancing scientific discovery and improving laboratory practices worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

5 Patents

#2,717 in Tokyo

#6,647 in Japan

Tokyo, Japan

Zero Lab Co., Ltd.

Forward Citations = 2

1 inventor:

Ritsuo Koga (5 out of 11 patents)

Please report any incorrect information to [email protected]

2 patents (EPO):

Please report any incorrect information to [email protected]