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Kabushiki Kaisha Ultraclean Technology Research Institute

USPTO Granted Patents = 8

Forward Citations = 56

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16 inventors (with patents filed for the assignee):

Takahisa Nitta (7 out of 35 patents)

Tadahiro Ohmi (5 out of 53 patents)

Yasuyuki Shirai (2 out of 37 patents)

4. Koji Kotani (2 out of 26 patents)

5. Nobuhiro Miki (2 out of 18 patents)

6. Yasuyuki Harada (2 out of 7 patents)

7. Tadahiro Ohmi (2 out of 182 patents)

8. Osamu Nakamura (2 out of 114 patents)

9. Nobukazu Ikeda (1 out of 210 patents)

10. Naofumi Yasumoto (1 out of 15 patents)

11. Tadashi Shibata (1 out of 68 patents)

12. Toshiyuki Nozawa (1 out of 3 patents)

13. Makoto Imai (1 out of 3 patents)

14. Masanori Fujibayashi (1 out of 2 patents)

15. Toda Masayuki (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 8420974 - Long life welding electrode and its fixing structure, welding head, and welding method (2013-04-16),

2. 7296048 - Semiconductor circuit for arithmetic processing and arithmetic processing method (2007-11-13),

3. 6940034 - Long life welding electrode and its fixing structure, welding head, and welding method (2005-09-06),

4. 6325081 - Washing apparatus and washing method (2001-12-04),

5. 6150851 - Charge transfer amplifier circuit, voltage comparator, and sense (2000-11-21),

6. 6129098 - Apparatus for injecting constant quantitative chemicals and a method (2000-10-10),

7. 5985811 - Cleaning solution and cleaning method (1999-11-16),

8. 5895509 - Abrasive composition (1999-04-20),

Kabushiki Kaisha Ultraclean Technology Research Institute is a leading research organization specializing in advanced cleaning technologies for various industries. With a strong focus on innovation and efficiency, we strive to provide cutting-edge solutions for our clients to achieve maximum cleanliness and productivity. Our team of experts is dedicated to pushing the boundaries of clean technology to meet the ever-evolving needs of the market.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

8 Patents

#1,913 in Tokyo

#4,915 in Japan

Kabushiki Kaisha Ultraclean Technology Research Institute

Forward Citations = 56

16 inventors:

Takahisa Nitta (7 out of 35 patents)

Tadahiro Ohmi (5 out of 53 patents)

Yasuyuki Shirai (2 out of 37 patents)

4. Koji Kotani (2 out of 26 patents)

5. Nobuhiro Miki (2 out of 18 patents)

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