NH

Naoki Hagiwara

HC Hitachi Construction Machinery Co.: 11 patents #108 of 1,234Top 9%
NO Nok: 5 patents #91 of 725Top 15%
AC Alps Electric Co.: 4 patents #470 of 2,177Top 25%
SO Sony: 2 patents #12,963 of 25,231Top 55%
AF Ashizawa Finetech: 1 patents #6 of 14Top 45%
Overall (All Time): #187,171 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
12188204 Work machine Kazuhiko Mizoguchi, Keiichirou Anahara 2025-01-07
12060697 Work machine for determining condition for recording and retaining video Hisashi TAGO, Takenori Hiroki, Daiki MACHIDA, Taiki AIZAWA, Kouhei Hashimoto 2024-08-13
12037775 Work machine Kazuhiko Mizoguchi, Keiichirou Anahara 2024-07-16
12025227 Gasket 2024-07-02
12000115 Hydraulic excavator Saito Katayama, Kazuhiko Mizoguchi, Hidenobu Tsukada, Keiichirou Nakamura, Shinichi SASAZAKI 2024-06-04
11988285 Sealing device and sealing structure 2024-05-21
11885108 Work machine and periphery monitoring system Keiichirou Anahara, Kazuhiko Mizoguchi, Akihiro Narazaki, Shinji Nishikawa 2024-01-30
11739503 Hydraulic excavator Kazuhiko Mizoguchi, Shigeru Hirasawa, Keitaro Ito, Keiichirou Anahara 2023-08-29
11391373 Gasket 2022-07-19
11313469 Sealing structure 2022-04-26
11041290 Locking system for a work machine Katsuaki Kodaka, Ryohei FUKUCHI, Kazuhiko Mizoguchi 2021-06-22
10612660 Gasket Tokunori Yanagi, Masasuke UCHIYAMA, Takuya AMANO, Yuki NAKAGAWA 2020-04-07
9511374 Horizontal dry mill Tsuyoshi Ishikawa, Toshihiro Yamada 2016-12-06
8919115 Hydraulic drive device for hydraulic excavator Yasuo Okano, Tsuyoshi Nakamura, Kouji Ishikawa, Kazunori Nakamura 2014-12-30
8650778 Hydraulic drive device for hydraulic working machine Yasuo Okano, Tsuyoshi Nakamura, Kouji Ishikawa, Kensuke Sato 2014-02-18
8589038 Hydraulic drive apparatus for construction equipment Tsuyoshi Nakamura, Kensuke Sato, Yasuo Okano, Kouji Ishikawa, Masanori Ezawa 2013-11-19
8516805 Hydraulic driving device for work machine Tsuyoshi Nakamura, Kensuke Sato, Yasuo Okano, Kouji Ishikawa, Mitsuhiko Kanehama +1 more 2013-08-27
7113211 Video signal processing circuit, viewfinder apparatus, television camera, and image monitor apparatus Kenichi Seino, Mitsuo Kamiko, Tomoyasu Katsuyama, Yoshihiro Date 2006-09-26
7002605 Image display apparatus for fixing luminance of blank area and varying only luminance of image Tomoyasu Katsuyama, Yoshihiro Date, Fumiaki Inage 2006-02-21
6515643 Image display apparatus suited to viewfinder Mitsuo Kamiko, Tomoyasu Katsuyama, Yoshihiro Date 2003-02-04
6384867 Video display apparatus capable of displaying video signals of a plurality of types with different specifications Kenichi Seino, Mitsuo Kamiko, Tomoyasu Katsuyama, Yoshihiro Date 2002-05-07
4540915 Fluorescent lamp and phosphor coating composition used therefor Kouki Shinkai, Masaki Nakano 1985-09-10