Nobuaki Ieda

Title: Nobuaki Ieda: Semiconductor Circuit Inventor

Introduction

Nobuaki Ieda is an inventor associated with Kodaira, Japan. His work includes semiconductor circuit designs, and he is credited with 4 patents. His professional affiliations include Nippon Telegraph and Telephone Public Corporation and Oki Electric Industry Co., Ltd.

Latest Patents

Among Ieda’s latest patents is “Buffer Circuits,” which describes a circuit that converts a TTL address input into complementary MOS-level signals. It combines a sensitive balanced flip-flop, capacitive coupling using MOS capacitance, and a load-drive circuit that uses the bootstrap effect.

Another patent, “Integrated Circuit Having Spare Parts Activated by a High-to-Low,” concerns a semiconductor device with multifunctional circuits and an on-chip control-signal generator. The generator uses a variable-resistance element that irreversibly changes resistance when a sufficiently high voltage is applied. Its output indicates the element’s resistance state and can activate or deactivate circuit functions.

Career Highlights

Ieda’s patent work reflects contributions to integrated-circuit design and semiconductor control circuitry. His listed affiliations connect his career with telecommunications and electronics organizations in Japan.

Collaborations

Ieda’s listed coworkers include Masafumi Tanimoto and Yoshio Otsuki.

Conclusion

Nobuaki Ieda’s patents document work on buffer circuits and configurable semiconductor devices, highlighting his contributions to electronic circuit innovation.