Work Experience

• Software Engineer at Yappli, Inc.

  March 2020 – Present

• Software Engineer at PlayLog Inc.

  November 2019 – Present

• Software Engineer at FOLIO Co.,Ltd.

  April 2018 – October 2019

• Technical Advisor at ZOZO Technologies, Inc.

  January 2019 – Present

• Technical Advisor at ChatWork

  February 2018 – May 2018

• Freelance Software Engineer

  January 2018 – March 2018

• Software Engineer at Realm Inc

  March 2015 – December 2017

• Technical Advisor at Ubiregi Inc.

  March 2015 – July 2019

• Technical Advisor at Sansan Corporation

  February 2015 – June 2016

• Technical Advisor at VASILY Inc.

  July 2014 – April 2015

• Technical Advisor at pixiv Inc.

  April 2014 – Present

• Open Source Developer

  July 2008 – Present

• Software Engineer at Ubiregi Inc.

  April 2013 – February 2015

• Software Engineer at COOKPAD Inc.

  November 2011 – March 2013

Education

• Kobe University

  1999-2003

IBPCollectionView
CompositionalLayout

Backport of UICollectionViewCompositionalLayout to earlier iOS 12.

SwiftPowerAssert

Power Assert in Swift. Provides descriptive assertion messages.

BookReader

Sample code for PDFKit on iOS 11, clone of iBooks.app built on top of PDFKit.

RealmTypeSafeQuery

A type-safe Realm query extensions using Swift 4 Smart KeyPaths

Kuery

A type-safe Core Data query API using Swift 4's Smart KeyPaths

SpreadsheetView

Full configurable spreadsheet view user interfaces for iOS applications. With this framework, you can easily create complex layouts like schedule, gantt chart or timetable as if you are using Excel.

SwiftCov

A tool to generate test code coverage information for Swift.

KeychainAccess

Simple Swift wrapper for Keychain that works on iOS and OS X.

UICKeyChainStore

Wrapper library for Keychain on iOS/OS X.

SECoreTextView

Multi-line rich text view library with clickable links, embedding images and editing for iOS/OS X.

PEPhotoCropEditor

Image cropping library for iOS.

JavaScriptBridge

Bridge software between Cocoa touch and JavaScript.

UCZProgressView

UCZProgressView is a circular progress indicator for image loading.

JapaneseKeyboardKit

Sample implementation for iOS Custom Keyboard Extension with Mozc (Google Japanese Input).

Mozc-for-iOS

Mozc for iOS build.

CollectionUtils/Compact

Subclasses of NSArray and NSDictionary to recursively remove all NSNull values automatically with little performance penalty. It is useful for JSON returned from web services.

UUIDShortener

Convert UUID 32-character hex string into a Base32 short string and back.

XCJobs

Rake tasks for xcodebuild command for CI.

coveralls-gcov

Upload coverage information generated by Gcov to coveralls.io.