KA

Kazuya Aihara

NO Nok: 9 patents #33 of 725Top 5%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HC Hitachi Industrial Equipment Systems Co.: 1 patents #318 of 550Top 60%
📍 Nihonmatsu, JP: #2 of 21 inventorsTop 10%
Overall (All Time): #436,972 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12326192 Gasket 2025-06-10
11499635 Gasket and sealing structure Isao Tanji 2022-11-15
11333247 Metal gasket Takeshi Watanabe, Isao Tanji, Shinya Nakaoka, Ryoko Saito 2022-05-17
11248704 Metal gasket Isao Tanji, Takeshi Watanabe 2022-02-15
10670032 Sealing structure for casing Shinya Nakaoka, Isao Tanji 2020-06-02
10544794 Sealing structure for casing Shinya Nakaoka, Isao Tanji 2020-01-28
10371160 Sealing structure for casing Shinya Nakaoka, Isao Tanji 2019-08-06
9841103 Metal gasket Takeshi Watanabe, Isao Tanji, Shinya Nakaoka 2017-12-12
9726290 Seal structure using metal gasket Shinya Nakaoka, Masaru Ito, Isao Tanji, Takanori Anzai, Shota Toma 2017-08-08
7171317 Load information display device and circuit breaker Kazuhiko Kato, Hideki Hayakawa, Tetsunori Watanabe, Toshiko Kimura 2007-01-30
6480082 Circuit breaker Terumi Shimano, Eietsu Sato, Yukihide Yamada, Koichi Yokoyama, Toru Ohshima +2 more 2002-11-12