MH

Masaaki Haga

PE Pentax: 12 patents #157 of 761Top 25%
PE Pentax: 10 patents #42 of 396Top 15%
AK Asahi Kogaku Kogyo K.K.: 2 patents #47 of 180Top 30%
Overall (All Time): #175,571 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
D574026 Convertible lens for single-lens reflex camera 2008-07-29
D542823 Digital single-lens reflex camera 2007-05-15
D542824 Digital single-lens reflex camera 2007-05-15
D542825 Digital single-lens reflex camera 2007-05-15
D524346 Digital camera 2006-07-04
D524351 Digital camera 2006-07-04
D503185 Battery grip for single-lens reflex camera 2005-03-22
D491593 Digital camera 2004-06-15
D491596 Digital camera 2004-06-15
D491597 Digital camera 2004-06-15
6427052 Exposure-condition setting device for camera Mikio Ogi 2002-07-30
D451940 Single-lens reflex camera body 2001-12-11
D449327 Single-lens reflex digital camera body 2001-10-16
D413346 Single-lens reflex camera body 1999-08-31
5774746 Camera with learning function Tadayuki Kirigaya, Hideaki Tsuji, Isamu Hirai, Yasuyuki Haneishi, Masato Yamamoto +3 more 1998-06-30
5761554 Information setting data dial for a camera Tadayuki Kirigaya, Hidefumi Kaneko 1998-06-02
5749005 Information setting and displaying device for a camera Katsuki Machida, Hideaki Tsuji 1998-05-05
5742853 Information setting and display device for a camera Katsuki Machida, Hideaki Tsuji 1998-04-21
5721984 Camera having a built-in strobe device Hidefumi Kaneko 1998-02-24
D388808 Single-lens reflex camera body 1998-01-06
5682558 Camera with learning function Tadayuki Kirigaya, Hideaki Tsuji, Isamu Hirai, Yasuyuki Haneishi, Masato Yamamoto +3 more 1997-10-28
D379823 Single-lens reflex camera body 1997-06-10
D356102 Single-lens reflex camera body 1995-03-07
D342753 Electronic flash for a camera 1993-12-28