Yuki Sunaga

KC Kotobuki & Co.: 3 patents #24 of 77Top 35%

📍 Kawagoe, JP: #502 of 1,278 inventorsTop 40%

Overall (All Time): #1,633,737 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
D410030	Writing instrument	—	1999-05-18
D402693	Writing instrument	—	1998-12-15
D390872	Combined computer input pen and writing instrument with cap member therefor	—	1998-02-17