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Chuo-ku Tokyo, Japan

Showa Yakuhin Kako Co., Ltd.

USPTO Granted Patents = 28

EPO Patents = 5

Trademarks = 1

Forward Citations = 396

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50 inventors (with patents filed for the assignee):

Fumio Tanaka (8 out of 15 patents)

Mutsumi Shibuya (8 out of 9 patents)

Mitsuhiro Haraguchi (5 out of 5 patents)

4. Yoshihiko Kawasaki (5 out of 5 patents)

5. Kuniaki Asami (5 out of 5 patents)

6. Yoji Ito (4 out of 4 patents)

7. Kazuhiro Ono (4 out of 5 patents)

8. Takashi Osada (3 out of 7 patents)

9. Renji Hayashi (3 out of 4 patents)

10. Yukio Suzuki (3 out of 41 patents)

11. Yoshiaki Kawashima (3 out of 6 patents)

12. Motohiro Oka (3 out of 13 patents)

13. Makoto Nagase (3 out of 3 patents)

14. Hirofumi Takeuchi (2 out of 16 patents)

15. Yoshinori Kato (2 out of 2 patents)

28 patents: Sort by Forward Citations

1. 9408969 - Anesthetic solution-filled cartridge-type electric dental syringe (2016-08-09),

2. 8840585 - Motorized syringe for use with two types of dental anesthetic solution-containing cartridges (2014-09-23),

3. 8648056 - Composition for local anesthesia (2014-02-11),

4. 8568141 - Linearly motorized dental syringe (2013-10-29),

5. 7879315 - Agent for dissolving dental calculi and dental caries (2011-02-01),

6. 6572589 - Barrel mounting device in cartridge-type dental injection device (2003-06-03),

7. 6566350 - Minocycline-containing compositions (2003-05-20),

8. D449693 - Dental motor injector (2001-10-24),

9. 6008256 - Composition for local anesthesia (1999-12-28),

10. 6004949 - Aqueous composition containing cromoglycic acid (1999-12-21),

11. 5955352 - Instruments for chemical and microbiological tests (1999-09-21),

12. 5728350 - Chemical or microbiological test kit (1998-03-17),

13. 5556640 - Dry gel composition (1996-09-17),

14. 5496563 - Dry gel composition (1996-03-05),

15. 5410028 - Test agent composition for dentistry (1995-04-25),

Showa Yakuhin Kako Co., Ltd. is a leading Japanese pharmaceutical company engaged in the research, development, manufacturing, and marketing of a wide range of high-quality generic drugs. With a history of over 70 years, the company is committed to improving the well-being of people, contributing to better healthcare around the world. Showa Yakuhin Kako Co., Ltd. strives to be at the forefront of innovation in the pharmaceutical industry by investing in research and development, and maintaining strict quality standards.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

28 Patents

#4 in Chuo-ku Tokyo

#2,357 in Japan

#22,560 in the World

Chuo-ku Tokyo, Japan

Showa Yakuhin Kako Co., Ltd.

Forward Citations = 396

50 inventors:

Fumio Tanaka (8 out of 15 patents)

Mutsumi Shibuya (8 out of 9 patents)

Mitsuhiro Haraguchi (5 out of 5 patents)

4. Yoshihiko Kawasaki (5 out of 5 patents)

5. Kuniaki Asami (5 out of 5 patents)

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