1971 : Joined OKI Research Laboratory, and engaged in R&D of 20GHz Wireless 500Mbps PCM System, Ultra High Speed Devices of GaAs, Si PIN, Hetero-Junction FET, Very High Speed Logic CKTs, Coding and Decoding, and Mathematical Science. 1977 : Joined IBM Corp, and at Burlington, Poughkeepsie, East Fishkill, Fujisawa, Yamato, Yasu Laboratories and Advanced System Development of NII, engaged in Si material science, new structured devices, reliability physics concurrently with development of various world first VLSIs, 64KDRAM, 1MSDRAM, LPDRAM, Single Poly Pure CMOS EEPROM, Thermal Conduction Module, Analog, Analog&Digital Mixed, PRDF Signaling, DRAM Mixed MPU, Self Learning MPU, 486 Compatible MPU with ASYNC Feature, PowerPC, Intelligent Massive Parallel MPU, FPGA, Intelligent Super Vision Chip and others. Concurrently engaged in development of number of information terminal products, Japanese Work Station 5550, Personal Computer JX, Portable PC of PS/2-P70&75. Also pioneered and conducted Low Power Technology R&D, its applied Chip Sets development and systemization for IBM ThinkPad, and established the strong Brand of IBM ThinkPad with great contribution to IBM business. Also engaged in R&D of video compression & decompression technology, encryption technology, their applied systems of VOD, contents distribution, multi-media ThinkPad, multi-media KIOSK station, e-commerce and others. 1995 : Resigned IBM position of the director of Advanced System Development in the New Information Infrastructure Division under the president of IBM Japan, and established his own High-Tech Venture Companies for R&D in Computer Science and Technology, DML(Digital Media Lab), VisionTech, KEREM, and NPL. Member of IEEE, New York Academy of Sciences, IEICE Japan. Author: drohsaki Keywords: Wireless VLSI MPU LPDRAM GPU Analog Mixed 5550 JX IBM ThinkPad PowerPC MPEG2 Cognitive Ubiquitous NewPC Added: April 6, 2008