Search gender: all male female Toshinaka Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: toshinaka Katakana: トシナカ 0 Kanji: 敏中 Meaning: 敏Quick in action and movement. Quick thinking. Smart. 中Inside. The state of not being inclined to one side or the other. Between things. The whole of a period or range. To hit the target. Abbreviation of Chinese. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Toshinaka Boy Name Meaning, Kanji Variations.