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Kabushiki Kaisha Watanabe Shoko

USPTO Granted Patents = 14

EPO Patents = 4

Forward Citations = 306

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22 inventors (with patents filed for the assignee):

Masaru Umeda (12 out of 38 patents)

Masayuki Toda (12 out of 30 patents)

Masaki Kusuhara (6 out of 19 patents)

4. Mitsuru Fukagawa (5 out of 7 patents)

5. Yoichi Kanno (3 out of 5 patents)

6. Michio Yagai (3 out of 4 patents)

7. Tadahiro Ohmi (2 out of 201 patents)

8. Takashi Onoda (2 out of 2 patents)

9. Ichiki Kusuhara (1 out of 1 patent)

10. Kyouhei Tsunashima (1 out of 1 patent)

11. Hitoshi Sakamoto (1 out of 21 patents)

12. Mikio Doi (1 out of 3 patents)

13. Kohei Yamamoto (1 out of 3 patents)

14. Toshikatu Meguro (1 out of 3 patents)

15. Noriaki Ueda (1 out of 4 patents)

14 patents: Sort by Forward Citations

1. 9885113 - Vaporizer, center rod used therein, and method for vaporizing material carried by carrier gas (2018-02-06),

2. 9644264 - Evaporation method and film deposition method (2017-05-09),

3. 8863957 - Wafer separation apparatus, wafer separation and transfer apparatus, wafer separation method, wafer separation and transfer method, and solar cell wafer separation and transfer method (2014-10-21),

4. 8486196 - Vaporizing apparatus and film forming apparatus provided with vaporizing apparatus (2013-07-16),

5. 7744698 - Vaporizer for MOCVD and method of vaporizing raw material solutions for MOCVD (2010-06-29),

6. 7704019 - Levitation transportation device and levitation transportation method (2010-04-27),

7. 7673856 - Vaporizer and various devices using the same and an associated vaporizing method (2010-03-09),

8. 7246796 - Carburetor, various types of devices using the carburetor, and method of vaporization (2007-07-24),

9. 6958175 - Film forming method and film forming device (2005-10-25),

10. 6398464 - Air stream transfer apparatus (2002-06-04),

11. 6394733 - Substrate body transfer apparatus (2002-05-28),

12. 6315501 - Air stream particulate collecting transfer apparatus (2001-11-13),

13. 5921744 - Wafer carrying device and wafer carrying method (1999-07-13),

14. 5518360 - Wafer carrying device and wafer carrying method (1996-05-21),

Kabushiki Kaisha Watanabe Shoko is a Japanese company specializing in the production and distribution of various industrial products. With a focus on quality and innovation, the company has established itself as a trusted partner for businesses in need of reliable solutions. Visit their website for more information.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

14 Patents

#1,396 in Tokyo

#3,485 in Japan

#40,882 in the World

Kabushiki Kaisha Watanabe Shoko

Forward Citations = 306

22 inventors:

Masaru Umeda (12 out of 38 patents)

Masayuki Toda (12 out of 30 patents)

Masaki Kusuhara (6 out of 19 patents)

4. Mitsuru Fukagawa (5 out of 7 patents)

5. Yoichi Kanno (3 out of 5 patents)

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