OS

Osamu Sakai

PA Panasonic: 19 patents #1,080 of 21,108Top 6%
Sumitomo Electric Industries: 19 patents #1,151 of 21,551Top 6%
NI Ngk Insulators: 10 patents #329 of 2,083Top 20%
Sharp Kabushiki Kaisha: 8 patents #2,076 of 10,731Top 20%
HI Hitachi: 6 patents #6,582 of 28,497Top 25%
AC Alps Electric Co.: 3 patents #607 of 2,177Top 30%
NK Nichia Kagaku Kogyo K.K.: 2 patents #11 of 36Top 35%
OE Otis Elevator: 2 patents #650 of 1,840Top 40%
SC Seed Co.: 1 patents #13 of 67Top 20%
SC Senju Pharmaceutical Co.: 1 patents #120 of 231Top 55%
TO Toto: 1 patents #620 of 1,113Top 60%
AL A.K. Technical Laboratory: 1 patents #12 of 34Top 40%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
AC Alps Alpine Co.: 1 patents #246 of 525Top 50%
AR Asahi Rubber: 1 patents #20 of 63Top 35%
DI Diamet: 1 patents #20 of 33Top 65%
HE Hitachi Micro Computer Engineering: 1 patents #131 of 393Top 35%
HE Hitachi Vlsi Engineering: 1 patents #390 of 666Top 60%
KC Kokuyo Co.: 1 patents #86 of 136Top 65%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Overall (All Time): #24,639 of 4,157,543Top 1%
76
Patents All Time

Issued Patents All Time

Showing 1–25 of 76 patents

Patent #TitleCo-InventorsDate
12331416 Compression apparatus for hydrogen-containing gas utilizing an anode separator arrangement Hiromi Kita, TAKASHI KAKUWA, TAKAYUKI NAKAUE 2025-06-17
12203178 Electrochemical hydrogen pump Kunihiro Ukai, Norihiko Kawabata, Hidenobu Wakita, Jin Zhang, Yukimune Kani 2025-01-21
12139805 Hydrogen system Hidenobu Wakita, Atsuo Okaichi 2024-11-12
12100874 Compression apparatus TAKASHI KAKUWA, Hiromi Kita 2024-09-24
12095132 Compression apparatus Yukimune Kani, TAKASHI KAKUWA, Hiromi Kita, TOMOYA KAMATA, TAKAYUKI NAKAUE 2024-09-17
12046781 Compression apparatus Yukimune Kani, TAKASHI KAKUWA, Hiromi Kita, TOMOYA KAMATA, TAKAYUKI NAKAUE 2024-07-23
11978933 Compression apparatus TAKASHI KAKUWA 2024-05-07
11952671 Electrochemical hydrogen pump Kunihiro Ukai, Norihiko Kawabata, Hidenobu Wakita, Jin Zhang, Yukimune Kani 2024-04-09
11932953 Compression apparatus TAKASHI KAKUWA, Hiromi Kita 2024-03-19
10811712 Hydrogen supply system for adjusting dew point of a hydrogen-containing gas supplied thereto Kunihiro Ukai, Hidenobu Wakita 2020-10-20
10756376 Hydrogen supply system and driving method of hydrogen supply system Hidenobu Wakita, Kunihiro Ukai, Yoichiro Tsuji 2020-08-25
10731704 Oil-impregnated sintered bearing and production method therefor Yoshiki Tamura, Hideo Sakai 2020-08-04
10722841 Hydrogen supply system Kunihiro Ukai, Atsuo Okaichi 2020-07-28
10712320 Flow channel structure and measuring device for measurement target liquid Yoshihiro Taguchi, Kenichiro SAMESHIMA, Yoshimune SUZUKI 2020-07-14
10629926 Solid oxide fuel cell system Tatsuo Fujita, Kunihiro Ukai, TAKASHI KAKUWA, Taiichiro SAKAMOTO, Toshiharu Ooe 2020-04-21
10320016 High-temperature fuel cell system Kunihiro Ukai, Yasushi Kaneko, Shigenori Onuma, TAKASHI KAKUWA 2019-06-11
10301179 Electrochemical hydrogen pump Kunihiro Ukai, Hidenobu Wakita, Yukimune Kani, Yuuichi Yakumaru, Takashi Sotoku 2019-05-28
10096849 Solid oxide fuel cell system Tatsuo Fujita, Kunihiro Ukai, TAKASHI KAKUWA, Taiichiro SAKAMOTO, Toshiharu Ooe 2018-10-09
10014536 Fuel cell system Shigenori Onuma, Noboru Taniguchi, Yasushi Kaneko, Toru Sukawa, YUICHI MIKAMI +2 more 2018-07-03
9592993 Customized elevator passenger interface Matthew Joyce, Ashley Chapman, Jannah A. Stanley, Vijay Jayachandran, Baudelaire St. Louis 2017-03-14
9522805 Elevator system fixtures and server for controlling the fixtures Matthew Joyce, Ashley Chapman, Baudelaire St. Louis, Jannah A. Stanley 2016-12-20
8940318 Hydrogel contact lens for sustained drug release and drug release method using hydrogel contact lens for sustained drug release Takao Sato, Toru Matsunaga, Aya Ichinokawa 2015-01-27
8211539 Hydrogen separator and process for production thereof Kenichi Noda 2012-07-03
8128896 Permselective membrane type reactor Toshiyuki Nakamura, Nobuhiko Mori, Koichi Katsurayama, Takashi Ina, Koki Hamada 2012-03-06
7923105 Hydrogen separator and process for production thereof Ken Noda 2011-04-12