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Toyotomi Co., Ltd.

USPTO Granted Patents = 21

EPO Patents = 8

Trademarks = 5

Forward Citations = 112

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23 inventors (with patents filed for the assignee):

Michitaka Okura (3 out of 3 patents)

Yoshio Mito (3 out of 15 patents)

Tomohiko Takeuchi (2 out of 2 patents)

4. Tomonori Miyajima (2 out of 2 patents)

5. Masanori Kawamura (2 out of 4 patents)

6. Toshihiko Yamada (2 out of 13 patents)

7. Toru Nakagaito (2 out of 3 patents)

8. Osamu Niwa (2 out of 3 patents)

9. Yutaka Nakanishi (2 out of 25 patents)

10. Yuji Mizukami (2 out of 2 patents)

11. Yoshihide Nishikura (2 out of 2 patents)

12. Hiroyuki Onogawa (1 out of 1 patent)

13. Motoki Matsumoto (1 out of 12 patents)

14. Jan C Van Bemmel (1 out of 1 patent)

15. Yasuo Fujimoto (1 out of 24 patents)

21 patents: Sort by Forward Citations

1. D634001 - Air circulator (2011-03-08),

2. D634000 - Air circulator (2011-03-08),

3. 6598599 - Hot air space heater (2003-07-29),

4. D452731 - Oil-fired space heater (2002-01-02),

5. D452730 - Oil-fired space heater (2002-01-02),

6. 6325060 - Stack-equipped far infrared space heater (2001-12-04),

7. 6295937 - Intake/exhaust type combustion equipment (2001-10-02),

8. 6185108 - Equipment control panel with operation signal generating switch (2001-02-06),

9. 6172666 - Equipment operation panel (2001-01-09),

10. 5970923 - Tank structure for hot-water supply unit (1999-10-26),

11. 5964585 - Oil burner for ensuring combustion of long-term stored kerosine (1999-10-12),

12. 5843421 - Hair tonic (1998-12-01),

13. 5584685 - Discharge-type ignition device for oil burner (1996-12-17),

14. 5524605 - Cooking burner (1996-06-11),

15. 5413479 - Discharge-type ignition device for oil burner (1995-05-09),

Toyotomi Co., Ltd. is a Japanese company that specializes in the manufacturing and sales of heating appliances, such as oil stoves, kerosene heaters, air conditioners, and water heaters. With a long history dating back to 1948, Toyotomi has established itself as a leader in the industry, providing innovative and high-quality products to customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

21 Patents

#39 in Nagoya

#2,799 in Japan

#29,047 in the World

Toyotomi Co., Ltd.

Forward Citations = 112

23 inventors:

Michitaka Okura (3 out of 3 patents)

Yoshio Mito (3 out of 15 patents)

Tomohiko Takeuchi (2 out of 2 patents)

4. Tomonori Miyajima (2 out of 2 patents)

5. Masanori Kawamura (2 out of 4 patents)

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