Career:

Takeshi Miyahara received his B.A. degree in Economics from Hiroshima University of Economics (HUE), Japan, and a certificate in International Management from Pforzheim University, Germany. After graduating, he had worked as an in-house translator-interpreter in the quality control department of optical devices at Sony EMCS, and in the aerospace division at Mitsubishi Heavy Industries (MHI) for about 3 years in total. Thereafter, he gained experience in International Education Exchange at HUE, and supported inbound and outbound international students between 2010 and 2019. He was assigned as Hiroshima Messenger in 2013 and 2014, and volunteered in supporting Hiroshima City for their long-lasting international cooperation with Hannover city, Germany. With his wide variety of international experiences at the companies, he offers professional translation services in English, German and Japanese, collaborating with his former peer translators. He also manages general affairs and finances of a facility maintenance company that his brother runs. He is a member of Japan Translation Federation, Japan Association of Translators and DVÜD e.V..

[Expertise]
Japanese cultures and traditions; General Business and Education; Manufacturing and Engineering; IT and E-Commerce; Medical services and cares; IFRS; Accounting and Financing; Marketing; Literature.

Records of Interpreting (Excerpt) – as of October 7, 2025

Japanese <> English / German
- fulltime (8 hours + overtime) May 2007- March 2019
- Business negotiation, Hiroshima & remote, April 2020
- Paralympic-related communication program, remote, February 2021
- Agriculture / social businesses, Kyoto & Hiroshima, December 2022
- Solar energy system training, Tokyo, January 2023
- Cash dispenser service at an international airport, Osaka, September, 2023
- Gardener Interview for creative media, Hiroshima, November 2023
- Clinical trial inspections (audit), Chiba, December 2023
- factory tour and business meeting at a beverage company (audit), January 2024
- Solar energy system training, Tokyo, February 2024
- Smart Energy Expo, Tokyo, February-March, 2024
- IT business meeting, remote, March, 2024
- A business meeting and Man/QA tour at a beverage company (audit), April 2024
- Solar energy system operational review (operational audit), Tokyo, May 2024
- A business meeting at a beverage company, July and December 2024
- Local tour in Hiroshima, November 2024
- Court interpreting for mediation, Hiroshima, February and April 2025
- Furnace construction, Hiroshima, April, May, September 2025
- Theme-park Attraction construction, Beppu (Oita), July 2025
- Wind Energy related discussion, Tokyo, August, September, 2025

Records of Translations (Excerpt) – as of October 7, 2025

English to Japanese
- Business letters; over 100,000 wds 
- Failure report of products; over 100,000 wds 
- Materials and documents of companies; over 30,000 wds 
- Quality assurance specifications; over 100,000 wds 
- Educational Materials: over 100,000 wds 
- IT Marketing/blogs; constantly ca. 20,000 wds (2018-2021) 
- Risk management related blog articles; 3,000 wds every month (2020 - 2021) 
- SAP training materials; 180,000 wds (2022) 
- Marketing copies on tourism; ca. 2,000 wds every month (2019 to 2022) 
- accounting software; ca. 200,000 words (long projects: most recent in May 2025)
- Manual of energy related devices; ca. 5000 wds every month (2017 – to date) 
- privacy policy/terms & conditions/other legal documents; 4,000 wds seasonal 
- business correspondences; 3,000 wds every month (2016 – to date) 
- Transcreation copies on tourism; ca. 10 hrs every month (2021 to date) 
- Products marketing, transcreation incl. SEO keyword optimization; ca. 3,000 wds every month 
- Cybersecurity-related materials & articles; ca 70,000 wds in total (2023 to date)
- Corporate website of staff resourcing company; ca. 10,000 wds (2024)
German to Japanese
- Corporate website of tungsten powder; ca. 15,000 wds 
- Brochure of museums in Germany; ca. 50,000 wds in total 
- presentation/manual of automobiles; constantly ca. 10,000 wds (2017 - 2020)
- Communications/brochure of automobiles; ca. 1,000 wds/week (since 2021)
- Screwdriver tool catalogue; ca. 100,000 wds (2024)
- Web pages of machinery additive manufacturing; and
Software user-interface of 3D print; ca. 15000 wds/month (since 2022)
(both English/German into Japanese)
- Automation solutions of plant facilities; ca. 20,000 wds (2023)
- Corporate website of plasma coating solutions; ca. 40,000 wds (2023)
- Wind energy related manual more than 100,000 wds (2024 – to date)
- Manuals of Mowing tools and machineries ca. 50,000 wds (2020-2024)
Japanese to English 
(Sony, Mitsubishi Heavy Industries, Hiroshima University of Economics)
- Corporate profile; ca. 5,000 letters 
- Presentation material of products; ca. 4,000 letters 
- Failure report of products; over 1,000,000 letters 
- Quality assurance specifications; over 30,000 letters 
- E-mail correspondence; over 1,000,000 letters

Study Abroad and Schools:

1. Goethe Institut Tokio, Japan (German, 2009/2-8)

2. Pforzheim University of Applied Science, Pforzheim, Germany (2006/9-2007/2)
　　
I have been to Germany for exchange. Since I was majoring in Accounting
　　
at the home university, I mainly studied International Accounting during my
　　
study abroad.
3. English Language Academy, Auckland, NZ (English, 2006/2-3)

Certificates:

1. TOEIC 975 (2016); and

2. Goethe Zertifikat C1(2009)
3. German Language Proficiency Test in Japan (1st Grade, equivalent to +C1; 2025)

Click here for more about me