Managing partner Hide Akashi


Patent Attorney (Japan)
Certified to practice IP litigation in Japan
Class I Information Technology Engineer

Practice Areas

Patent Prosecution, Invention Consulting (Patent Visualization), Opinions, Litigation

Mr. Akashi specializes in memory circuits, CPU circuits, timing control circuits, communication devices, semiconductor testing circuits, operating systems, and language processing systems.


Master of Engineering, Information Science, Kyoto University, 1993
Bachelor of Engineering, Information Science, Kyoto University, 1991

Work Experience

From 1993 until 2001, Mr. Akashi worked as a multiprocessor R&D researcher for the Central Research Laboratory of Hitachi Ltd., focusing on information technology, particularly processor and chipset architecture. While there, in 1996 he designed the world’s fastest (at the time) massively parallel supercomputer, and he also designed the Intel Itanium (TM) processor server.

Mr. Akashi joined RYUKA IP Law Firm in 2001. Recent work in 2012 includes representing a large US client in nullity trials before the Japan IP High Court and Supreme Court, together with colleagues Mr. Ryuka and Mr. Takata and in cooperation with Nagashima Ohno & Tsunematsu.


Japan Patent Attorneys Association (JPAA)
The Institute of Electrical and Electronics Engineers (IEEE)
Information Processing Society, Japan (IPSJ)