"Masa Kajiki approaches patent translation in a highly professional manner, and can be depended on to provide accurate translations in advance of a national phase entry due date.  Where necessary, he seeks  the client’s input to ensure that the translation is entirely accurate.  I would have no hesitation in recommending Masa’s work to other attorneys." (International Patent Lawyer from Australia)

MK Translation Firm, Osaka, Japan

[Patent Translation Services]

[Source] English, German, Chinese, and Korea

[Target] Japanese


[Holiday Announcement]

Currently, we are not available due to the Japanese national holidays.  We are closed from April 30 to May 5.

Since 2006, we have translated numerous patent specifications in various technical fields such as a medical apparatus, a radio communication network, an automobile, biotechnology in general, chemistry in general, and pharmaceuticals.


We consist of Project Manager, and in-house and freelance translators. Through patent translations, we contribute to making a better world. 


We aim to achieve the best result by combining the latest translation technology and human translation efforts.


We work for IP law firms, corporate IP departments, and LSPs.


We can process various file types such as .doc, .docx, .xls, .xlsx, .ppx, .mxliff, .sdlxliff.  If you wish, we could send a tmx file along with the translation.


We use various CAT tools such as Memsource Editor, Trados Studio, Wordfast, and Fluency Now.

We are glad to hear from you! Feel free to submit your inquiries via the web form, below.

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[Rough price estimate]

Electricity:0.20 to 0.25 USD per each word

Chemistry:0.20 to 0.25 USD per each word

Biotechnology:0.25 to 0.30 USD per each word

Pharmaceuticals:0.25 to 0.30 USD per each word




100 to 150 USD per page (A4)


* These prices vary depending on various factors.


Address - Knowledge Capital 8th floor, Grand Front Osaka, K836, 3-1, Ofuka-cho, Kita-ku, Osaka, 530-0011, Japan

Email - info(at)mktranslationfirm.com

Business hours: 09:00 to 17:30, Monday through Friday

skype: @mktranslation

fax: +81-6-7635-8269 

We translate your patents according to your needs.

[Certified Memsource Trainer]

We have used Memsource translation system since their early stages.  In 2016, our Founder CEO, Masa Kajiki, was named "Certified Memesource Trainer".  


See a blog post by Memsource.