HH

Hiroyuki Hayashikawa

Sumitomo Electric Industries: 17 patents #1,358 of 21,551Top 7%
PA Panasonic: 8 patents #3,315 of 21,108Top 20%
Overall (All Time): #162,977 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
11060905 Laser device Jingbo Wang, Doukei Nagayasu, Yoshiaki Takenaka, Hitoshi Nishimura, Makoto Ryudo +7 more 2021-07-13
10050402 Gas laser oscillation device and gas laser processing machine Hitoshi Hongu, Nobuo Shinno 2018-08-14
9590379 Gas laser oscillation device Hitoshi Hongu 2017-03-07
9379511 Laser oscillator and laser machining apparatus Satoshi Eguchi, Hidefumi Omatsu 2016-06-28
8811446 Gas laser oscillator apparatus and laser gas replacement method Hitoshi Hongu, Takayuki Yamashita 2014-08-19
8792529 Gas laser oscillation device and gas laser processing machine Hitoshi Hongu, Nobuo Shinno 2014-07-29
8509280 Gas laser oscillator apparatus and gas laser machining apparatus Tetsuji Nishimura, Nobuo Shinno 2013-08-13
7580439 Gas laser oscillator Hitoshi Hongu, Atsuki Yamamoto 2009-08-25
7194015 Laser oscillating apparatus and laser working machine Hitoshi Hongu 2007-03-20
7130324 Axial flow type gas laser oscillator Hitoshi Hongu 2006-10-31
7046705 Gas laser transmitter Hitoshi Hongu 2006-05-16
6944200 Laser oscillator Hitoshi Hongu 2005-09-13
6895030 Laser oscillating device Hitoshi Hongu 2005-05-17
6768761 Gas laser oscillator Hitoshi Hongu 2004-07-27
6580742 Laser oscillating apparatus Tetsuji Nishimura, Hitoshi Hongu 2003-06-17
6434181 Gas laser oscillator Satoshi Eguchi, Takayuki Yamashita 2002-08-13
6337869 Gas laser oscillator Takayuki Yamashita, Satoshi Eguchi 2002-01-08
6331995 Gas laser oscillator Satoshi Eguchi, Takayuki Yamashita 2001-12-18
6327295 Gas laser oscillator Takayuki Yamashita, Satoshi Eguchi 2001-12-04
6266352 Laser oscillation apparatus Satoshi Eguchi, Takayuki Yamashita 2001-07-24
6249535 Gas laser oscillator Satoshi Eguchi, Takayuki Yamashita 2001-06-19
6078604 Laser oscillation apparatus Satoshi Eguchi, Takayuki Yamashita 2000-06-20
6021151 Laser oscillation apparatus Satoshi Eguchi, Takayuki Yamashita 2000-02-01
5850412 Laser generator Satoshi Eguchi, Takayuki Yamashita 1998-12-15
5825795 Gas laser oscillator apparatus Takayuki Yamashita, Satoshi Eguchi 1998-10-20