📍 Tokyo | 🏢 Ex-Dentsu, Ex-Softbank, Ex-CTW, Current SONY | 🚀 MKHR Founder
Systems-oriented builder bridging product, engineering, and finance—turning complex, constrained problems into executable systems under Japan's compliance framework.
🔍 my-resume-by-ai - AI-generated profile report page (CN/JP/EN)
cc-spec-driven - Claude Code plugin for managing requirement documents and spec-driven development
- ⚓ csg-envelope-sim-003 - 3D carrier strike group weapon envelope simulation (CesiumJS)
- 🌍 earthquake-cesium - 3D earthquake visualization with CesiumJS (Japan, 2000-2023, M≥3)
- 🗺️ earthquake-mapbox - 2D earthquake map with MapLibre + Deck.gl, depth coloring, filters
- 🚃 tokyo-transit-isochrone - Tokyo Station transit isochrone animation (90-min reachability)
- 🏙️ tokyo-ksj-zone - Tokyo zoning map with 12 land-use types (KSJ data)
- 📍 japan-osm-poi - Japan POI map from OpenStreetMap, filterable by type
- 🔥 cyber-campfire - 3D fireplace with dynamic flames and lighting (Three.js)
- 🌳 git-gource - Git repository visualization in Gource style (Three.js)
- 🎲 decision-making-dice - 3D dice for decision making, click or press Enter to roll
- ⚫ game-gomoku - Gomoku (Five in a Row) for two players, 13x13 board
- ⚪ game-othello - Othello/Reversi for two players, face-to-face on mobile
- ❌ game-tictactoe - Tic-Tac-Toe for two players
- 📊 portfolio-analyzer - Portfolio analyzer with ETF breakdown, leverage index, sector allocation
✈️ travel-risk-map - Travel risk map with US/Japan official data, risk level coloring- 📈 home-board - Financial dashboard - stocks, weather, forex in one screen
- 🧩 chrome-sitemap-visualizer - Chrome extension: sitemap screenshot + D3 tree visualization
- 📂 data-epicenter-jp - JS scripts to format Japan's official seismic epicenter data to CSV, JSON
- ⏱️ time-controller - A hybrid mobile application to manage your time spent
- 📝 demo-box - Web application to write in Markdown, JSX, and code sandbox
- 🌤️ netweather - A web application showing weather forecast info
- 🔎 netsearch - Demo to search GitHub content with debounce, throttle, and pagination
- 📚 netbooks - A web application showing book store info
- ⚛️ react-debounce-rendering - NPM package for debounce rendering React components via HOC
- 🗾 epicenter-view - Web application visualizing seismic epicenter data using ArcGIS APIs
- 💹 digital-currency-historical-data-s3 - JS scripts to obtain trade data and format to JSON
- Managing and developing crypto asset trading systems in Japan
- Building AI workflows with cutting-edge tools to accelerate product development
- Running a solo GIS (Geographic Information Services) project end-to-end
- Studying for USCPA to strengthen my finance knowledge
- Spending quality time with my wife and little baby