Takuya Yamazaki joined Ricoh Company, Ltd. in 2014 and spent the first six years developing commercial printing inks. He then moved to the battery division, where he worked for one year on ink development for battery applications. Currently, he is involved in system development as a Design and Development Engineer.
Yusuke Zama had been engaged in Sales and Strategy Planning of Ricoh Technology for 8 years since he joined Ricoh Company, Ltd. After that, he has moved to future business division to develop inkjet printed battery solutions.