Chikatsune; Hiroshi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chikatsune; Hiroshi.The latest application filed is for "screw joint for pipe (as amended)".
- Chikatsune; Hiroshi - Handa JP
- Chikatsune; Hiroshi - Tokyo JP
- Chikatsune; Hiroshi - Chita JP
- Chikatsune; Hiroshi - Chiyoda-ku JP
- Chikatsune; Hiroshi - Aichi JP
| Patent | Date |
|---|---|
| Threaded joint for pipes Grant 10,443,765 - Nagahama , et al. Oc | 2019-10-15 |
| Threaded joint for tube Grant 10,295,091 - Yoshikawa , et al. | 2019-05-21 |
| Threaded joint for oil country tubular goods Grant 10,125,554 - Kawai , et al. November 13, 2 | 2018-11-13 |
| Screw Joint For Pipe (as Amended) App 20180258709 - YONEYAMA; TSUYOSHI ; et al. | 2018-09-13 |
| Threaded joint for oil country tubular goods Grant 9,982,491 - Kawai , et al. May 29, 2 | 2018-05-29 |
| Threaded joint for oil country tubular goods Grant 9,982,815 - Kawai , et al. May 29, 2 | 2018-05-29 |
| Threaded joint for heavy-walled oil country tubular goods Grant 9,709,196 - Kawai , et al. July 18, 2 | 2017-07-18 |
| Threaded joint for pipes Grant 9,657,873 - Kawai , et al. May 23, 2 | 2017-05-23 |
| Threaded Joint For Tube App 20160334033 - Yoshikawa; Masaki ; et al. | 2016-11-17 |
| Threaded Joint For Heavy-walled Oil Country Tubular Goods App 20160319966 - Kawai; Takamasa ; et al. | 2016-11-03 |
| Threaded joint for pipes Grant 9,470,345 - Yoshikawa , et al. October 18, 2 | 2016-10-18 |
| Threaded Joint For Oil Country Tubular Goods App 20160178095 - Kawai; Takamasa ; et al. | 2016-06-23 |
| Threaded Joint For Oil Country Tubular Goods (as Amended) App 20160130884 - Kawai; Takamasa ; et al. | 2016-05-12 |
| Threaded Joint For Oil Country Tubular Goods App 20160123091 - Kawai; Takamasa ; et al. | 2016-05-05 |
| Threaded Joint For Pipes App 20150377391 - NAGAHAMA; Takuya ; et al. | 2015-12-31 |
| Threaded Joint For Pipes App 20150198270 - Nagahama; Takuya ; et al. | 2015-07-16 |
| Threaded joint for steel pipes Grant 8,991,875 - Yoshikawa , et al. March 31, 2 | 2015-03-31 |
| Threaded Joint For Pipes App 20150061287 - Yoshikawa; Masaki ; et al. | 2015-03-05 |
| Threaded Joint For Pipes App 20140116560 - Kawai; Takamasa ; et al. | 2014-05-01 |
| Threaded Joint For Steel Pipes App 20140049045 - Yoshikawa; Masaki ; et al. | 2014-02-20 |
| Deburring apparatus Grant 5,119,600 - Chikatsune , et al. June 9, 1 | 1992-06-09 |
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