HK

Hiroyuki Kawashima

KC Kowa Company: 1 patents #30 of 61Top 50%
NI Nissan Chemical Industries: 1 patents #12 of 84Top 15%
TO Topcon: 1 patents #16 of 54Top 30%
TC Toyo Ink Mfg. Co.: 1 patents #1 of 15Top 7%
Overall (2002): #28,840 of 266,432Top 15%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6477189 Laser oscillation frequency stabilizer Noriko Takeda, Susumu Saito 2002-11-05
6465477 Stable pharmaceutical composition Toyojiro Muramatsu, Katsumi Mashita, Yasuo Shinoda, Hironori Sassa, Yoshio Tanizawa +1 more 2002-10-15
6406606 Electrocoagulation printing ink and method Atsushi Betto, Tetsu Otsuji, Katsuhiko Sawamura 2002-06-18