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Micro Co., Ltd.

USPTO Granted Patents = 18

EPO Patents = 1

Forward Citations = 221

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13 inventors (with patents filed for the assignee):

Hiroyuki Kanari (8 out of 8 patents)

Tomohiro Hosoya (3 out of 3 patents)

Gouji Sakaoka (3 out of 9 patents)

4. Yousuke Ishii (2 out of 2 patents)

5. Yasuhiro Sanpei (2 out of 2 patents)

6. Tsuyoshi Nakano (2 out of 2 patents)

7. Masahiko Itakura (1 out of 7 patents)

8. Akihiro Ohkouchi (1 out of 1 patent)

9. Hosoya Tomohiro (1 out of 1 patent)

10. Takehiko Shima (1 out of 1 patent)

11. Hiromoto Sasaki (1 out of 1 patent)

12. Takeshi Kurihara (1 out of 1 patent)

13. Ayaka Mutoh (1 out of 1 patent)

18 patents: Sort by Forward Citations

1. 11845298 - Writing instrument having color indication-changeable grip (2023-12-19),

2. 11648796 - Mechanical pencil having lead breakage-prevention mechanism (2023-05-16),

3. 11214092 - Knocking-type writing instrument equipped with eraser (2022-01-04),

4. 10974539 - Rotary feeding mechanism for rod-shaped body (2021-04-13),

5. 9180722 - Mechanical pencil having lead-rotating mechanism (2015-11-10),

6. 8801313 - Pen with pressurizing mechanism to pressurize ink refill (2014-08-12),

7. 8113732 - Direct liquid-writing instrument (2012-02-14),

8. 7527445 - Writing instrument (2009-05-05),

9. 7367735 - Hand-held instrument having variable contour grip (2008-05-06),

10. 7237972 - Automatic mechanical pencil and method of assembly thereof (2007-07-03),

11. 7207738 - Writing instrument (2007-04-24),

12. 6866436 - Writing instrument (2005-03-15),

13. 6758617 - Side knocking-type writing instrument (2004-07-06),

14. 6234697 - Mechanical pencil (2001-05-22),

15. 5236271 - Automatic mechanical pencil (1993-08-17),

Micro Co., Ltd. is a leading technology company specializing in the development and manufacturing of microprocessors and electronic components. With a strong emphasis on innovation and quality, Micro Co. has established itself as a reliable and trusted provider of cutting-edge solutions for a wide range of industries. From consumer electronics to industrial automation, our products empower businesses and individuals to achieve their goals with efficiency and precision. Visit our website to explore our product offerings and learn more about our commitment to driving technological advancements.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

18 Patents

#1,227 in

#3,052 in

#33,147 in the World

Micro Co., Ltd.

Forward Citations = 221

13 inventors:

Hiroyuki Kanari (8 out of 8 patents)

Tomohiro Hosoya (3 out of 3 patents)

Gouji Sakaoka (3 out of 9 patents)

4. Yousuke Ishii (2 out of 2 patents)

5. Yasuhiro Sanpei (2 out of 2 patents)

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