3 Patents
#3,271 in Tokyo
#8,779 in Japan
Shin-estu Quartz Products Co., Ltd.
Forward Citations = 8
4 inventors:
4 inventors (with patents filed for the assignee):
Shigeru Yamagata (1 out of 19 patents)
Tatsuhiro Sato (1 out of 24 patents)
Tomomi Usui (1 out of 9 patents)
4. Yasuo Ohama (1 out of 16 patents)
3 patents:
#3,271 in Tokyo
#8,779 in Japan
4 inventors: