Keiji Ueno has been granted 21 US patents while listed as an inventor at Sumitomo Electric Industries . The first was granted in 1984 and the most recent in December 2016. Keiji Ueno ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Keiji Ueno in Sodegaura, JP.
Patents per Year Patents granted per year, 1984 to 2016 Bar chart with a peak of 3 patents in 1984. peak 3 1984: 3 patents 1984 1985: 1 patents 1986: 3 patents 1986 1989: 1 patents 1990: 2 patents 1990 1991: 2 patents 1992: 2 patents 1992 1993: 1 patents 1994: 1 patents 1994 1995: 2 patents 2000: 1 patents 2000 2008: 1 patents 2016: 1 patents 2016 Issued Patents All Time
Showing 1–21 of 21 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
9528189 Gas generating device and method for generating gas Mitsuru Sadamoto , Hiroko Wachi , Hiroshi Maekawa 2016-12-27
7405030 Imide compound and optical recording media made by using the same Akira Ogiso , Hiroyoshi Shiozaki , Tsutomu Ishida , Hisashi Tsukahara , Tsutami Misawa +4 more 2008-07-29
$2,027,000
6149321 Film drawing device and a drawing plate for use in the film drawing device Masanori Nishibata , Nobuyuki Wada , Hideto YOSHIZUKA , Kazuo Nakata , Masayasu Nakaoka +1 more 2000-11-21
5460886 DC high-voltage wire Tomizo Yano , Ikujiro Uda 1995-10-24
5391461 Optical recording medium and recording method Tadashi Koike , Shin Aihara , Shinichi Murakami , Sumio Hirose 1995-02-21
$38,000
5284883 Molding of urethane resin composition Ikujiro Uda 1994-02-08
5196231 Optical recording media Sumio Hirose , Shigeru Takahara , Tadashi Koike , Shin Aihara 1993-03-23
$34,000
5132153 Optical recording media Sumio Hirose , Shigeru Takahara , Tadashi Koike , Shin Aihara 1992-07-21
$14,000
5099132 Dosimeter Akisato Katanosaka , Noriko Matoba 1992-03-24
5059651 Flame retardant and smoke suppressed polymeric composition and electric wire having sheath made from such composition — 1991-10-22
4999141 Manufacturing method for plastic optical fiber Haruo Saen 1991-03-12
4960624 Fluoroelastomer composition and heat shrinkable articles comprising same — 1990-10-02
4959266 Urethane-resin coated electrical wire having an intermediate layer Ikujiro Uda 1990-09-25
4820782 Article having thermal recovery property — 1989-04-11
4575437 Process for producing optical fiber for optical transmission Keiichi Kojima 1986-03-11
4575184 Flame retardant optical composite cable Akinori Mori 1986-03-11
4575537 Fluororubber-based composition — 1986-03-11
4540597 Process for producing optical fiber for optical transmission Shoji Nagasaki , Keiichi Kojima 1985-09-10
4489113 Fluororubber-based heat-shrinkable tubes and composition therefor — 1984-12-18
4452838 Heat-shrinkable tubes — 1984-06-05
4450871 Heat-shrinkable tubes Yasutoshi Sato 1984-05-29
