| 1968 |
Capital 15 million yen |
| 1968 |
Started manufacturing carbon film fixed resistors |
| 1968-10-05 |
THINK-O Electric Co. established on October 5 |
| 1969 |
Held the 1st inhouse QC circle presentation meeting |
| 1970 |
Opened Kinoko Nursery School |
| 1976 |
Started manufacturing semiconductors (small-signal switching diodes) |
| 1979 |
Capital increased to 40 million yen |
| 1983 |
Started manufacturing Zener diodes |
| 1984 |
Started manufacturing small-signal transistors |
| 1984 |
Capital increased to 80 million yen |
| 1986 |
Started manufacturing power transistors |
| 1988 |
TPM Activity kickoff |
| 1988 |
Diode production achieves 800 million unit monthly |
| 1988 |
Transistor productions achieves 600 million unit monthly |
| 1989 |
EPI (epitaxial growth) plant completed |
| 1990 |
1st Fab completed |
| 1990 |
Received the PM Excellent Plant Award |
| 1990 |
Started manufacturing MOSFETs, CMOS ICs, bipolar ICs and Schottky diodes |
| 1995 |
Torex Semiconductor Ltd. established |
| 1995 |
トレックス・セミコンダクター株式会社 設立 |
| 1998 |
Renamed to “Phenitec Semiconductor Corporation” |
| 1998 |
社名を「フェニテックセミコンダクター株式会社」に変更 |
| 1999 |
Completion of 6 inch “FAB2” at 1st Fab |
| 1999 |
第1工場6インチ「FAB2」 完成 |
| 2001 |
Started 66 inch line mass production |
| 2001 |
6インチライン 量産開始 |
| 2002 |
Opened Kyoto Design Center |
| 2002 |
京都デザインセンター 開設 |
| 2003 |
Completion of 6 inch “FAB3” at 1st Fab |
| 2003 |
第1工場6インチ「FAB3」 完成 |
| 2005 |
Capital increased to 330 million yen |
| 2005 |
資本金3億3,000万円に増資 |
| 2008 |
Capital increased to 380 million yen |
| 2008 |
資本金3億8,000万円に増資 |
| 2009 |
Started installation and sales of solar panels |
| 2009 |
太陽光パネル 施工販売開始 |
| 2011 |
Started SiC development |
| 2011 |
SiC開発 開始 |
| 2013 |
Started manufacturing of Planer IGBTs |
| 2013 |
プレーナ型IGBT 製造開始 |
| 2015 |
Acquired Yamaha Kagoshima Semiconductor in October / Production started |
| 2015-10 |
ヤマハ鹿児島セミコンダクタ（株) 10月 譲受/生産開始 |
| 2016 |
Signed capital and business alliance with Torex Semiconductor Ltd. |
| 2016 |
トレックス・セミコンダクター（株）と資本業務提携 |
| 2018 |
Capital increased to 1.6 billion yen |
| 2018 |
Completion of “FAB4” at 1st Fab |
| 2018 |
Marked the company’s 50th year since its foundation |
| 2018 |
資本金16億円に増資 |
| 2018 |
第1工場「FAB4」 完成 |
| 2018 |
創立50周年を迎える |
| 2019 |
Started development of gallium oxide power devices |
| 2019 |
酸化ガリウムパワーデバイス 開発開始 |
| 2022 |
Headquarters moved to Okayama 1st Fab |
| 2022 |
本社機能を岡山第1工場へ移転 |
| 2023 |
Centralized the Okayama production bases into 1st Fab |
| 2023 |
第1工場に岡山生産拠点を集約 |
| 2024 |
Clean room expanded on the 3rd floor of Building 5, Kagoshima Fab |
| 2024 |
鹿児島工場 ５号館３階クリーンルーム 増設 |
