History
| 1954 | Produced 1st measurement device SG-1/RS-1. (Kasuga Musen) |
| 1965 | Developed 1st oscilloscope CO-130. (TRIO) |
| 1973 | Developed regulated DC power supply PR-601/PR602. (TRIO) |
| 1988 | Developed digital storage oscilloscope CS-8010 .(Kenwood) |
| 1989 | Developed multiple-output regulated DC power supply PW series .(Kenwood) |
| 1992 | Developed switching power supply PS series. (Kenwood) |
| 1996 | Established Kenwood TMI Co., Ltd. |
| 1999 | Developed Electronic load device PEL-201 series. (Kenwood) |
| 2002 | Nikke group acquires 100% of shares, became part of Nikke Group. |
| 2006 | Developed flexible range regulated DC power supply PSF-L series (Kenwood) Changed name to Texio Co., Ltd. |
| 2009 | Nikke regrouped subsidiary companies and establised Nikke Techno System Co., Ltd. TEXIO was incorporated into the company as TEXIO division. |
| 2012 | Developed Electronic load LSA series. (TEXIO) GOOD WILL INSTRUMENT CO., LTD took over TEXIO division of Nikke Techno System and established TEXIO TECHNOLOGY CORPORATION. Developed hybrid method regulated DC power supply PDS-A series. (TEXIO) |
| 2014 | TEXIO TECHNOLOGY CORPORATION merged with INSTEK JAPAN CORPORATION on January. |
| 2015 | Developed Digital Storage Oscilloscope DCS-2000E Series. (TEXIO) |
| 2018 | Developed Fanless & Multi range DC Power Supplies PFR Series. (TEXIO) |
| 2019 | Developed Electronic load LSG-H Series. (TEXIO) |
| 2020 | Developed AC/DC Power Supplies ASR Series. (TEXIO) |
| 2021 | Developed Power Sunnlies PPX Series. (TEXIO) Developed Bidirectional Power Source PBW Series. (TEXIO) |
| 2022 | Developed Electronic load LRW Series. (TEXIO) |