HK

Hisashi Koga

Fujitsu Limited: 8 patents #3,989 of 24,456Top 20%
TO Toto: 5 patents #210 of 1,113Top 20%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #321,676 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
10119260 Discharge valve apparatus, flush water tank apparatus, and flush toilet Koki SHINOHARA, Hideki Tanimoto, Yukinori Kubozono, Kenji HATAMA 2018-11-06
9499964 Flush water supply device, flush water tank assembly with flush water supply device, and flush toilet with flush water tank assembly Atsuko Yamasaki, Yuichi Oda, Yukinori Kubozono, Haruki Matsuda 2016-11-22
8918922 Water discharge valve device and flush water tank device with same Tsutomu Kido, Yukinori Kubozono, Haruki Matsuda 2014-12-30
8745772 Discharge valve apparatus and rinse water tank apparatus fitted therewith Tsutomu Kido, Yukinori Kubozono, Haruki Matsuda 2014-06-10
8720480 Flush water supply device, flush water tank assembly with flush water supply device, and flush toilet with flush water tank assembly Atsuko Yamasaki, Yuichi Oda, Haruki Matsuda, Yukinori Kubozono 2014-05-13
7746906 Data communications system Akira Jinzaki 2010-06-29
7562381 Camera unit and camera unit control method capable of avoiding confusion when operated by a plurality of users 2009-07-14
7133407 Data communications system Akira Jinzaki 2006-11-07
6654385 Message division communication method and communication system Hiromi Odaka, Sumie Morita, Shigeru Sekine, Eiji Ishioka 2003-11-25
6556675 Subscriber line control device 2003-04-29
6526023 Traffic control apparatus Takashi Sugino, Toshiaki Ohishi 2003-02-25
5963541 Traffic control apparatus Takashi Sugino, Toshiaki Ohishi 1999-10-05
5375117 Maintenance communication control system in an Sumie Morita, Takashi Hatano, Ryouzi Takano, Tsutomu Shiomitsu 1994-12-20
5283788 ISDN D channel congestion control method Sumie Morita, Takashi Hatano, Masako Shinmura, Tsutomu Shiomitsu 1994-02-01
4831477 Loading mechanism for a magnetic disk device Yuzo Sakamoto, Shoichi Saito 1989-05-16