Forward Citations = 241

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6 inventors (with patents filed for the assignee):

Motofumi Kashi (3 out of 3 patents)

Yasushi Saito (2 out of 6 patents)

Shinji Fujita (2 out of 32 patents)

4. Keiji Yada (2 out of 2 patents)

5. Hiromi Kai (2 out of 2 patents)

6. Isao Kayabara (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 7221731 - X-ray microscopic inspection apparatus (2007-05-22),

2. 7218703 - X-ray microscopic inspection apparatus (2007-05-15),

3. 6976631 - Code reader and code reading method for color image (2005-12-20),

4. 6598798 - Code reader and code reading method for color image (2003-07-29),

5. 5744789 - Bar-code reader (1998-04-28),

6. 4662044 - Descaler and wire brush for use in the same (1987-05-05),

Tohken Co., Ltd. is a leading provider of precision measurement solutions in Japan. Established in 1976, the company specializes in the manufacturing and distribution of high-quality measurement instruments and equipment. With a strong commitment to innovation and customer satisfaction, Tohken Co., Ltd. has built a reputation for excellence in the industry. Their products are widely used in various industries including automotive, aerospace, and electronics.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

6 Patents

#2,213 in Tokyo

#5,845 in Japan

Tokyo, Japan

Tohken Co., Ltd.