ST

Shigeru Tsukada

FI Fujifilm Business Innovation: 16 patents #693 of 1,659Top 45%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
NC Nippon Koei Co.: 1 patents #13 of 26Top 50%
TG Tokyo Metropolitan Government: 1 patents #13 of 50Top 30%
TS Tokyo Metropolitan Sewerage Service: 1 patents #13 of 34Top 40%
Overall (All Time): #217,018 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11999527 Supporter and carrier Taisuke Endo, Hiroyuki Kono 2024-06-04
11878837 Supporter surface having plates Taisuke Endo, Hiroyuki Kono 2024-01-23
10710768 Pallet Toshihiro OSAWA, Kyoichi Imon, Taisuke Endo, Yusuke KABE, Satoko Imai +1 more 2020-07-14
9850649 Vortex flow type water surface control device for draining device Hiromi Watanabe, Hiroshi Komatsu, Shigeki Nishimura 2017-12-26
9037030 Power control system and power control method Koji Ohashi, Hiroyuki Akanuma, Tomohisa Suzuki, Yoshiya Mashimo 2015-05-19
8576508 Tape library system and method of diagnosing tape cartridges Takaaki Yamato, Nobuyuki Hirashima 2013-11-05
8447201 Image forming apparatus for controlling image density Matsuyuki Aoki 2013-05-21
8392652 Virtual tape system Nobuyuki Hirashima, Takaaki Yamato 2013-03-05
8370682 Virtual tape system take-over-controlled by standby server computer Nobuyuki Hirashima, Takaaki Yamato 2013-02-05
7983578 Image forming device with a manual darkness adjusting section Toru Yoshida 2011-07-19
7751731 Image forming apparatus having a toner concentration sensor Shunichiro Shishikura, Naoya Yamasaki, Masayuki Aratake 2010-07-06
7623799 Image forming apparatus Shunichiro Shishikura, Naoya Yamasaki, Masayuki Aratake 2009-11-24
7539426 Image forming apparatus having a toner concentration sensor Shunichiro Shishikura, Naoya Yamasaki, Masayuki Aratake 2009-05-26
7536116 Image forming apparatus with a plurality of development devices Naoya Yamasaki, Shunichiro Shishikura, Masayuki Aratake 2009-05-19
7400838 Image forming apparatus with toner concentration detection unit Masayuki Aratake, Naoya Yamasaki, Shunichiro Shishikura 2008-07-15
7389059 Image forming apparatus having a toner concentration sensor Shunichiro Shishikura, Naoya Yamasaki, Masayuki Aratake 2008-06-17
7366430 Rotary-type developing device and image forming apparatus Shunichiro Shishikura, Naoya Yamasaki, Masayuki Aratake 2008-04-29
5991558 Image forming apparatus that control the reflected light detected by an optical scanner in response to a gradation area percentage of a toner patch Mariko Emi, Satoshi Tomita 1999-11-23
4958239 Method of gradation and selection of micro picture elements therefor in a picture display Kunio Yamada, Masao Seki 1990-09-18
4892371 Semiconductor laser array light source and scanner Kunio Yamada 1990-01-09