BENKAN CORPORATION
Patent Applications and Registrations
Patent applications and USPTO patent grants for BENKAN CORPORATION.The latest application filed is for "assembly toy".
- BENKAN CORPORATION - Gunma JP
- BENKAN CORPORATION - TOKYO JP
- Benkan Corporation - JP JP
Trademarks
| Patent | Date |
|---|---|
| Assembly Toy App 20180056208 - NAKASHIMA; Masanori ; et al. | 2018-03-01 |
| Integrated gas control device App 20020017329 - Fukushima, Yoshitomo | 2002-02-14 |
| Valve for controlling flow rate of gas Grant 6,321,780 - Iwabuchi November 27, 2 | 2001-11-27 |
| Integrated gas control device Grant 6,216,739 - Fukushima , et al. April 17, 2 | 2001-04-17 |
| Gas controlling device for integration Grant 6,073,646 - Kimura June 13, 2 | 2000-06-13 |
| Gate valve for regulating gas flow in semiconductor manufacturing Grant 5,755,255 - Iwabuchi May 26, 1 | 1998-05-26 |
| Coupling for drainage pipings Grant 5,752,548 - Matsumoto , et al. May 19, 1 | 1998-05-19 |
| Vacuum exhaust valve Grant 5,678,595 - Iwabuchi October 21, 1 | 1997-10-21 |
| Pipe joint Grant 5,658,021 - Matsumoto , et al. August 19, 1 | 1997-08-19 |
| Metal diaphragm valve Grant 5,112,027 - Hanyu , et al. May 12, 1 | 1992-05-12 |
| Metal diaphragm valve Grant 5,108,069 - Tada , et al. April 28, 1 | 1992-04-28 |
| Drainpipe joint Grant 4,998,754 - Matsumoto , et al. March 12, 1 | 1991-03-12 |
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