41 Utility Patents
#1,366 in Kanagawa
#11,392 in Japan
#54,632 in the World
Forward Citations = 199
Company Filing History:


Nhk Spring Co., Ltd.
4. 2 out of 50

5. 2 out of 29
Toho Rayon Co., Ltd.
Get your Inventor Badge Today
#1,366 in Kanagawa
#11,392 in Japan
#54,632 in the World
Company Filing History:



Get your Inventor Badge Today