This inventor holds 9 USPTO granted patents and 8 published patent applications. Top assignee: Nec Corporation. Active years: 1993-2026.
Company Filing History:
Years Active: 1993-2026
Title: Masahiro Iwadare: Innovator in Adaptive Transform Coding Systems
Introduction
Masahiro Iwadare is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of adaptive transform coding systems, holding a total of 9 patents. His work focuses on improving coding efficiency, particularly in scenarios involving quantized values with large absolute values.
Latest Patents
Iwadare's latest patents include an adaptive transform coding system, an adaptive transform decoding system, and an adaptive transform coding/decoding system. These innovations enhance coding efficiency when a small number of quantized values with large absolute values are present. The adaptive transform coding system effectively codes these values separately from others, utilizing a selector to distinguish between them. This system includes pulse coding and decoding means, as well as coding and decoding mechanisms for other quantized values, culminating in a synthesis means that integrates all components.
Another notable invention is a fast calculation apparatus designed for executing forward and inverse transform calculations. This apparatus employs a fast Fourier transform (FFT) part to process signals efficiently, producing transformed signals that represent the results of linear transform calculations. This technology is applicable in various transform units, showcasing Iwadare's versatility in the field.
Career Highlights
Masahiro Iwadare is associated with NEC Corporation, a leading technology company known for its innovative solutions. His work at NEC has allowed him to push the boundaries of adaptive coding technologies, contributing to advancements in digital signal processing.
Collaborations
Iwadare has collaborated with notable colleagues, including Yuichiro Takamizawa and Akihiko Sugiyama. These partnerships have fostered a collaborative environment that enhances innovation and drives technological progress.
Conclusion
Masahiro Iwadare's contributions to adaptive transform coding systems and his innovative patents underscore his role as a key figure in the field of digital signal processing. His work continues to influence advancements in coding efficiency and transform calculations, solidifying his legacy as an inventor.