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Trademarks = 2

Forward Citations = 168

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4 inventors (with patents filed for the assignee):

Masamichi Kuramoto (11 out of 15 patents)

Takeo Kuramoto (7 out of 13 patents)

Takashi Seike (1 out of 1 patent)

4. Tomosuke Itoh (1 out of 1 patent)

19 patents: Sort by Forward Citations

1. D545704 - Volt-ohm-ammeter (2007-07-03),

2. D490331 - Volt-ammeter (2004-05-26),

3. 6586923 - Non-contact type current measuring instrument (2003-07-01),

4. D476246 - Volt-ohm-ammeter (2003-06-25),

5. D462021 - Electricity measuring instrument (2002-08-28),

6. D446734 - Volt-ohm-ammeter (2001-08-22),

7. D440892 - Volt-ohm-ammeter (2001-04-25),

8. D422229 - Volt-ohm-ammeter (2000-04-04),

9. D401172 - Ammeter (1998-11-17),

10. D358349 - Volt-ohm-ammeter (1995-05-16),

11. D335095 - Voltammeter (1993-04-27),

12. D312420 - Volt-ohm-ammeter or the like (1990-11-27),

13. D271948 - Ampere-volt-wattmeter or the like (1983-12-27),

14. D264448 - Portable volt-ohm-ammeter or the like (1982-05-18),

15. D264057 - Volt-ohm-ammeter or the like (1982-04-27),

Kyoritsu Electrical Instruments Works, Ltd. is a leading manufacturer and supplier of electrical measurement equipment such as multimeters, clamp meters, insulation testers, and more. With a history dating back to 1940, the company has established a strong reputation for producing high-quality, reliable instruments for professionals in the electrical industry. Kyoritsu is committed to innovation and meeting the evolving needs of customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

19 Patents

#1,200 in Tokyo

#2,973 in Japan

#31,684 in the World

Tokyo, Japan

Kyoritsu Electrical Instruments Works, Ltd.

Forward Citations = 168

4 inventors:

Masamichi Kuramoto (11 out of 15 patents)

Takeo Kuramoto (7 out of 13 patents)

Takashi Seike (1 out of 1 patent)

4. Tomosuke Itoh (1 out of 1 patent)

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