IK

Isao Koyama

WI Wako Pure Chemical Industries: 3 patents #56 of 377Top 15%
CC Citizen Watch Co.: 2 patents #460 of 1,225Top 40%
FC Fukuhara Needle Co.: 1 patents #4 of 6Top 70%
FC Funai Electric Co.: 1 patents #624 of 943Top 70%
MB Mitsuboshi Belting: 1 patents #183 of 333Top 55%
📍 Kodaira, JP: #238 of 1,073 inventorsTop 25%
Overall (All Time): #653,643 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8158375 Polymer and method of measuring cholesterol therewith Tomokazu ITAI, Kiyoko Mori, Yo Yagura, Naoyuki Yamamoto 2012-04-17
8130998 Miniature speaker device and television set 2012-03-06
6298692 Knitting instrumentalities for a knitting machine and method of forming same Kazuaki Kuroda, Yuji Kawase 2001-10-09
6102823 Toothed power transmission belt Yasutoshi Hosokawa, Akiyoshi Homan, Kiyokazu Wada, Koji Matsuo, Shinichi Takagi +1 more 2000-08-15
5925534 Method for measuring LDL-cholesterol Yutaka Miki, Nobuko Imajo, Masayuki Futatsugi, Toshiro Hanada 1999-07-20
5814472 Measurement of LDL-cholesterol Yutaka Miki, Nobuko Imajo, Toshiro Hanada 1998-09-29
4597228 Vacuum suction device Toshikazu Hatsuse 1986-07-01
4234811 Supporting structure for a thickness-shear type crystal oscillator for watches Hiroshi Hishida, Toshihiko Nakayama, Hisao Wakabayashi 1980-11-18