Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
HI

Hidehiro Ikeda — 51 Patents

Hitachi: 32 patents #817 of 28,497Top 3%
HCHitachi Consumer Electronics Co.: 9 patents #22 of 447Top 5%
HMHitachi Maxell: 5 patents #189 of 1,211Top 20%
RTRenesas Technology: 4 patents #758 of 3,337Top 25%
TCToppan Printing Co.: 2 patents #414 of 1,467Top 30%
MAMaxell: 1 patents #286 of 437Top 70%
Yokohama, JP: #1,306 of 49,234 inventorsTop 3%
Overall (All Time): #51,932 of 4,157,543Top 2%
51 Patents All Time
Hidehiro Ikeda has been granted 51 US patents while listed as an inventor at Hitachi. The first was granted in 2001 and the most recent in June 2019. Hidehiro Ikeda ranks #51,932 of 4,157,543 US inventors in our database (top 1.2%). Patent records list Hidehiro Ikeda in Yokohama, JP.

Patents per Year

Patents granted per year, 2001 to 2019Bar chart with a peak of 7 patents in 2007.peak 72001: 1 patents20012002: 1 patents2003: 2 patents20032004: 1 patents2005: 4 patents20052006: 3 patents2007: 7 patents20072008: 5 patents2009: 2 patents20092010: 4 patents2011: 3 patents20112012: 2 patents2013: 5 patents20132014: 4 patents2016: 4 patents20162018: 2 patents2019: 1 patents2019

Issued Patents All Time

Showing 1–25 of 51 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10310321 Optical element, manufacturing method of optical element, and optical device Koji Hirata, Hiroyuki Minemura, Yumiko Anzai, Tetsuya Nishida, Jiro Yamamoto +2 more 2019-06-04
9933553 Optical element and optical device Koji Hirata, Hiroyuki Minemura, Yumiko Anzai, Tetsuya Nishida, Jiro Yamamoto +2 more 2018-04-03
9904152 Solid-state light source device Koji Hirata, Nobuyuki Kimura 2018-02-27
9519204 Light source apparatus used in a projection type image display apparatus Nobuyuki Kimura, Koji Hirata 2016-12-13
9372387 Laser projector Yoshiho Seo, Tomoki Kobori, Satoshi Ouchi, Koji Hirata, Junichi Yokoyama +3 more 2016-06-21
9348210 Projection apparatus and transparent screen for it Koji Hirata, Masahiko Yatsu 2016-05-24
9256060 Pinhole array and display device using same Tomoki Kobori, Yoshiho Seo, Koji Hirata, Satoshi Ouchi 2016-02-09
8733953 Display apparatus and projection type lighting apparatus therefor Koji Hirata, Masahiko Yatsu, Takanori Hisada 2014-05-27
8690345 Projection image display apparatus having a first lens and a second lens adjacent to the screen Koji Hirata, Masahiko Yatsu, Naoyuki Ogura 2014-04-08
8662678 Solid-state light source device Koji Hirata, Nobuyuki Kimura 2014-03-04
8625082 Display apparatus Tomoki Kobori, Satoshi Ouchi, Koji Hirata, Kazuo Shikita 2014-01-07
8593580 Projection-type display apparatus Nobuyuki Kimura, Koji Hirata 2013-11-26
8585209 Projection apparatus with linear fresnel lens and transparent screen therefor Koji Hirata, Masahiko Yatsu 2013-11-19
8462296 Projection-type display apparatus Nobuyuki Kimura, Koji Hirata 2013-06-11
8441582 Imaging displaying apparatus and 3-D image displaying apparatus applying the same therein Koji Hirata, Masahiko Yatsu 2013-05-14
8384995 Rear-surface projection-type video display apparatus Koji Hirata, Toshihiko Matsuzawa, Tadashi Sato 2013-02-26
8287136 Display apparatus Tomoki Kobori, Satoshi Ouchi, Koji Hirata, Kazuo Shikita 2012-10-16
8210687 Image displaying apparatus, and a method for adjusting vibrating condition of a reflection mirror in the image displaying apparatus Tomoki Kobori, Satoshi Ouchi, Koji Hirata, Seiji Murata, Kazuo Shikita 2012-07-03
8066385 Projection display and lighting unit with diffusion optical device Tomoki Kobori, Satoshi Ouchi, Seiji Murata 2011-11-29 $168,000
8002414 Image displaying apparatus, and a method for adjusting vibrating condition of a reflection mirror in the image displaying apparatus Tomoki Kobori, Satoshi Ouchi, Koji Hirata, Seiji Murata, Kazuo Shikita 2011-08-23 $94,000
7901097 Display apparatus and projection type lighting apparatus therefor Koji Hirata, Masahiko Yatsu, Takanori Hisada 2011-03-08 $86,000
7832871 Optical equipment with at least first and second ventilation paths Kenji Fuse, Mikio Shiraishi, Yasuo Otsuka, Nobuyuki Kaku 2010-11-16 $108,000
7787167 Display apparatus using micro mirror unit, and method for controlling micro mirror unit Tomoki Kobori, Satoshi Ouchi, Koji Hirata, Kazuo Shikita 2010-08-31 $87,000
7771904 Photomask, and method and apparatus for producing the same Yoshikazu Nagamura, Kouji Tange, Kouki Hayashi 2010-08-10 $54,000
7665849 Color separating unit and projection type video display apparatus provided with the same Masahiko Yatsu, Koji Hirata, Kei Adachi 2010-02-23 $65,000