Takashi Ogata

Title: Takashi Ogata: Innovator in Semiconductor Integrated Circuits

Introduction

Takashi Ogata is a prominent inventor known for his contributions to the field of semiconductor integrated circuits. He is based in Ohme, Japan, and holds three patents that showcase his innovative work in memory devices and logic functions. His inventions have significantly impacted the design and functionality of integrated circuits.

Latest Patents

Ogata's latest patents include a semiconductor integrated circuit device that features a logic block of a memory (LSI) with logic functions. This device incorporates RAM macrocells and a centrally located gate array. The design includes clock pulse shaping circuits and an input/output portion that surrounds the logic block. The power supply for the logic block is equipped with a smoothing capacitor that matches the size of a cell in the gate array. Each RAM macrocell is designed with memory mats, word lines, data lines, and peripheral circuits, which include an address decoder and a sense amplifier. The input unit cell is capable of receiving and outputting ECL level signals as well as MOS level signals. Additionally, the device features a wiring line replacement region that connects memory macrocell wiring lines with logic block wiring lines. A sequence control circuit cell is also included to transmit output signals to the logic block. Furthermore, a clock signal distribution circuit is centrally arranged to distribute ECL level clock signals, incorporating clock switch amplifier circuits.

Career Highlights

Throughout his career, Takashi Ogata has worked with notable companies such as Hitachi, Ltd. and Hitachi Microcomputer System, Ltd. His experience in these organizations has allowed him to develop and refine his expertise in semiconductor technology and integrated circuit design.

Collaborations

Ogata has collaborated with esteemed colleagues, including Shuuichi Miyaoka and Michiaki Nakayama. These partnerships have contributed to the advancement of technology in the semiconductor field.

Conclusion

Takashi Ogata's innovative work in semiconductor integrated circuits has made a lasting impact on the industry. His patents reflect a deep understanding of memory devices and logic functions, showcasing his role as a key inventor in this technological domain.