Yutaka Tamai has been granted 11 US patents while listed as an inventor at Ishida Co. . The first was granted in 1990 and the most recent in June 2019. Yutaka Tamai ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Yutaka Tamai in Ritto, JP.
Patents per Year Patents granted per year, 1990 to 2019 Bar chart with a peak of 2 patents in 2016. peak 2 1990: 1 patents 1990 1991: 1 patents 1991 1992: 1 patents 1992 1995: 1 patents 1995 1996: 1 patents 1996 2003: 1 patents 2003 2006: 1 patents 2006 2015: 1 patents 2015 2016: 2 patents 2016 2019: 1 patents 2019 Issued Patents All Time
Showing 1–11 of 11 patents
Patent # Title Co-Inventors Date
10323977 Support structure for a combination weighing device Yoshiki Horitani , Hideshi Miyamoto , Toshiharu Kageyama , Mikio Kishikawa , Naomi Imaaki +1 more 2019-06-18
9417115 Combination weighing device with imaging system Hideshi Miyamoto 2016-08-16
D755065 Multihead weigher Yoshiki Horitani , Mikio Kishikawa , Naomi Imaaki , Toshiharu Kageyama , Hideshi Miyamoto 2016-05-03
9194735 Combination weighing device initialization Toru Hiratsuka , Mikio Kishikawa , Toshikazu Shotsu , Hideshi Miyamoto 2015-11-24
7064281 Combination weighing device Toshiharu Kageyama , Takumi Kawamura 2006-06-20
6545230 Combinational weighing or counting apparatus Kazufumi Naito , Toshiro Ono , Hirofumi Yamamori 2003-04-08
5542332 Keyboard apparatus for electronic musical instrument Yoshiaki Shimoda , Kazuhiro Tsukamoto 1996-08-06
5406875 Keyboard apparatus for electronic musical instrument Yoshiaki Shimoda , Kazuhiro Tsukamoto 1995-04-18
5079985 Keyboard apparatus for electronic keyboard musical instrument Tsutomu Yamaguchi , Yoshiaki Shimoda 1992-01-14
5036743 Keyboard device for electronic musical instrument Tsutomu Yamaguchi , Norizou Kamimura , Yoshiaki Shimoda 1991-08-06
4890533 Key device for electronic keyboard musical instrument Masanori Katsuta , Tsutomu Yamaguchi , Norizo Kamimura 1990-01-02