HISHIKAWA; Yoshifumi
Patent Applications and Registrations
Patent applications and USPTO patent grants for HISHIKAWA; Yoshifumi.The latest application filed is for "optical transmission path inspecting system, and optical transmission path inspecting device".
- HISHIKAWA; Yoshifumi - Yokohama-shi JP
- Hishikawa; Yoshifumi - Yokohama JP
| Patent | Date |
|---|---|
| Optical Transmission Path Inspecting System, And Optical Transmission Path Inspecting Device App 20220236141 - FUKUMOTO; Gouichi ; et al. | 2022-07-28 |
| Measurement System App 20210239569 - MASUDA; Kazuya ; et al. | 2021-08-05 |
| Measurement system and measurement method Grant 10,523,317 - Masuda , et al. Dec | 2019-12-31 |
| Measurement System And Measurement Method App 20190372665 - MASUDA; Kazuya ; et al. | 2019-12-05 |
| Optical fiber fusion splicer with communication device Grant 6,206,583 - Hishikawa , et al. March 27, 2 | 2001-03-27 |
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