Masanobu Yoshida is a veteran product development executive and visiting professor in Yokohama with 13 years of formal experience and a decades-long track record leading consumer electronics and mobile handset innovation at Sony and SoftBank. He led breakthrough shifts—from the world’s early digital camcorders and Japan’s CLIE PDA market dominance to introducing the iPhone 3G and Android devices in Japan—and now runs an IoT-focused consultancy and EMS-capable startup as CEO of DreamForest. Comfortable balancing long-term strategy with rapid product delivery, he combines hands-on engineering instincts with executive leadership and incubation experience. An active contributor to open-source projects, he has shipped practical usability and stability improvements to tools like VOICEVOX and the Platinum Searcher, showing continued technical curiosity beyond executive duties.
13 years of coding experience
4 years of employment as a software developer
Bachelor of Engineering (B.E.), Electrical and Electronics Engineering, Bachelor of Engineering (B.E.), Electrical and Electronics Engineering at The University of Tokushima
Contributions:15 reviews, 8 commits, 7 PRs in 3 months
Contributions summary:Masanobu contributed to the VOICEVOX editor by implementing features and improving the user experience. They added an audio save button and modified the file saving process, including the file naming convention to include character names and text, and added options for the save dialog. Furthermore, the user refactored the installer, making it more user-friendly by allowing custom installation paths and download behavior control. The user also worked on improving GUI response in the audio store and implementing undo/redo functionality for devoicing within audio parameters.
A code search tool similar to ack and the_silver_searcher(ag). It supports multi platforms and multi encodings.
Role in this project:
Back-end Developer & QA Engineer
Contributions:6 commits in 1 day
Contributions summary:Masanobu primarily contributed to the testing and enhancement of the project's file type identification and grep functionalities. They fixed panics related to broken files by updating the code and adding tests for different file encodings, including broken ones. The user also refactored code with `go fmt` and updated dependencies by importing a new go text encoding package. Their work focused on improving code stability and ensuring the correct handling of various character encodings.
encodingsripgrepsimilarplatformssearcher
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