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

Yuichi Sawai — 25 Patents

Hitachi: 16 patents #2,442 of 28,497Top 9%
HDHitachi Displays: 5 patents #194 of 752Top 30%
HCHitachi Chemical Company: 3 patents #513 of 1,946Top 30%
Panasonic: 2 patents #9,726 of 21,108Top 50%
HCHitachi Industrial Equipment Systems Co.: 1 patents #318 of 550Top 60%
Tokyo, JP: #5,699 of 90,295 inventorsTop 7%
Overall (All Time): #158,593 of 4,157,543Top 4%
25 Patents All Time
Yuichi Sawai has been granted 25 US patents while listed as an inventor at Hitachi. The first was granted in 1997 and the most recent in April 2019. Yuichi Sawai ranks #158,593 of 4,157,543 US inventors in our database (top 3.8%). Patent records list Yuichi Sawai in Tokyo, JP.

Patents per Year

Patents granted per year, 1997 to 2019Bar chart with a peak of 7 patents in 2017.peak 71997: 1 patents19972003: 1 patents2004: 1 patents20042005: 3 patents2007: 1 patents20072008: 1 patents2009: 1 patents20092010: 1 patents2011: 3 patents20112015: 1 patents2016: 2 patents20162017: 7 patents2018: 1 patents20182019: 1 patents2019

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10252938 Glass composition, glass frit containing same, glass paste containing same, and electrical/electronic component obtained using same Takashi Naito, Takuya Aoyagi, Tadashi Fujieda 2019-04-09
10026923 Electronic component, method for producing same, and sealing material paste used in same Takashi Naito, Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba, Motomune Kodama +5 more 2018-07-17
9824900 Bonded structure and production method therefor Motomune Kodama, Takashi Naito, Tadashi Fujieda, Takuya Aoyagi, Masanori Miyagi 2017-11-21
9796821 Composite material Takuya Aoyagi, Takashi Naito, Tadashi Fujieda, Hajime Murakami, Hiroshi Yoshida +2 more 2017-10-24
9789568 Solder, aluminum wire body and motor using the same Takuya Aoyagi, Motomune Kodama, Takashi Naito, Tadashi Fujieda, Masanori Miyagi +2 more 2017-10-17
9728341 Electronic component, method for producing same, and sealing material paste used in same Takashi Naito, Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba, Motomune Kodama +5 more 2017-08-08
9708460 Composite material Tadashi Fujieda, Takashi Naito, Takuya Aoyagi, Hajime Murakami, Hiroshi Yoshida +2 more 2017-07-18
9614178 Electronic component, process for producing same, sealing material paste, and filler particles Takashi Naito, Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba, Takuya Aoyagi +5 more 2017-04-04
9543265 Joint material, and jointed body Motomune Kodama, Takashi Naito, Tadashi Fujieda, Takuya Aoyagi, Masanori Miyagi 2017-01-10
9490380 Metal matrix composite and method for producing the same Tadashi Fujieda, Takashi Naito, Takuya Aoyagi 2016-11-08
9334415 Ink, base to be printed, printing device, printing method, and method for producing base to be printed Masahiko Ogino, Takashi Naito, Naoshi Takahashi, Hiroshi Sasaki, Kenichi Souma 2016-05-10
9196563 Bonded body and semiconductor module Takashi Naito, Takuya Aoyagi, Tadashi Fujieda, Mutsuhiro Mori 2015-11-24
8075961 Display apparatus Osamu Shiono, Takashi Namekawa, Takashi Naitou, Mitsuo Hayashibara, Yuichi Kijima +4 more 2011-12-13
8071183 Display apparatus Osamu Shiono, Takashi Namekawa, Takashi Naitou, Mitsuo Hayashibara, Yuichi Kijima +4 more 2011-12-06
8022000 Display device and production method thereof Osamu Shiono, Takashi Namekawa, Hiroyuki Akata, Takashi Naito, Keiichi Kanazawa +4 more 2011-09-20 $138,000
7755269 Spacer and image display panel using the same Osamu Shiono, Takashi Namekawa, Nobuhiko Hosotani, Hiroshi Ito, Keiichi Kanazawa +6 more 2010-07-13 $64,000
7474818 Optical switch and method of using the same Hideto Momose, Takashi Naito, Kensuke Matsui 2009-01-06 $125,000
7452489 Conductive material, method of producing the same, visual display device, and glass spacer thereof Osamu Shiono, Takashi Namekawa, Takashi Naitou, Mitsuo Hayashibara, Hiroshi Ito +2 more 2008-11-18 $186,000
7298080 Display device Yoshie Kodera, Masakazu Sagawa, Toshiaki Kusunoki, Tetsu Ohishi 2007-11-20 $247,000
6928206 Wavelength division multiplex optical switch Mitsutoshi Honda, Takao Ishikawa, Takashi Naito 2005-08-09 $82,000
6900927 Non-linear optical thin film, non-linear optical device using the same, and optical switch using the same Mitsutoshi Honda, Hideto Momose, Hiroyuki Akata, Takashi Naito 2005-05-31 $103,000
6896979 Film for organic EL device and an organic EL device using the film Tomoji Oishi, Yoshiyuki Kaneko, Sukekazu Aratani 2005-05-24 $73,000
6804043 Non-linear optical thin film, non-linear optical device using the same, and optical switch using the same Mitsutoshi Honda, Hideto Momose, Hiroyuki Akata, Takashi Naito 2004-10-12 $325,000
6638645 Film for organic EL device and an organic EL device using the film Tomoji Oishi, Yoshiyuki Kaneko, Sukekazu Aratani 2003-10-28 $159,000
5625153 Method of non-destructively estimating life of ceramic member Yoshiyuki Yasutomi, Motoyuki Miyata, Hideki Tamaki, Katsuo Wada 1997-04-29 $96,000