Forward Citations = 59

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6 inventors (with patents filed for the assignee):

Makoto Nakagawa (3 out of 13 patents)

Kaoru Kamiya (3 out of 4 patents)

Keiko Watanabe (3 out of 3 patents)

4. Kiyohiko Ohta (3 out of 3 patents)

5. Masashi Endo (2 out of 5 patents)

6. Tomio Nagao (1 out of 2 patents)

5 patents: Sort by Forward Citations

1. 5279674 - Method of treating contact lens (1994-01-18),

2. D337254 - Combined spray bottle and cap (1993-07-13),

3. 5181604 - Contact lens holder and treating device (1993-01-26),

4. 5167323 - Lens treating device for treating contact lens (1992-12-01),

5. 5120438 - Liquid purifying device incorporating air pumping means within container (1992-06-09),

Tomei Sangyo Co., Ltd. is a Japan-based company engaged in the manufacture and sale of industrial machinery and equipment. The Company operates through two business segments: the Industrial Machinery segment, which produces and sells conveyor belts, power transmission belts, precision rollers and other related products; and the Sporting Good segment, which manufactures and distributes sporting goods equipment such as golf clubs, grips, shafts and gloves. Tomei Sangyo Co., Ltd. also offers maintenance and repair services for its products.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

5 Patents

#315 in

#6,488 in Japan

JP

Tomei Sangyo Co., Ltd.