RA

Ryo Akiyama

Sumitomo Electric Industries: 8 patents #3,473 of 21,551Top 20%
HI Hitachi: 6 patents #6,582 of 28,497Top 25%
JA Japan Science And Technology Agency: 4 patents #144 of 2,171Top 7%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
MS Mitsubishi Hitachi Power Systems: 2 patents #298 of 970Top 35%
WI Wako Pure Chemical Industries: 1 patents #164 of 377Top 45%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
Overall (All Time): #188,151 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
12258902 Gas turbine cogeneration system, method of operating gas turbine cogeneration system, and method of modifying gas turbine cogeneration system Takashi Asao, Kazuhiko Sato, Shohei Yoshida 2025-03-25
12221923 Gas turbine cogeneration system and method of operating the same Takashi Asao, Kazuhiko Sato, Shohei Yoshida 2025-02-11
9863315 Gas turbine and operation method of gas turbine Hiroki TAKEDA, Yasuo Takahashi 2018-01-09
9217368 Gas turbine, exhaust diffuser, and method of modifying gas turbine plant Chihiro Myoren, Shinya Marushima 2015-12-22
8613186 Two-shaft gas turbine Tomomi Koganezawa, Shinichi Higuchi, Yasuo Takahashi, Shinya Marushima 2013-12-24
8318967 Polysilane-supported transition metal catalyst for liquid phase reaction Shu Kobayashi, Hidekazu Oyamada, Takeshi Naito 2012-11-27
8110519 Polymer-supported metal cluster composition Shu Kobayashi, Kuniaki Okamoto, Keiji Ohno, Yoshio Inagaki 2012-02-07
7732638 Method of amidocarbonylation reaction Shu Kobayashi 2010-06-08
7470646 Polymer incarcerated Lewis acid metal catalyst Shu Kobayashi, Nobuyuki Kawai, Masahiro Takeuchi 2008-12-30
7452181 Plant facility Hidetoshi Kuroki, Shinya Marushima 2008-11-18
6860110 Gas turbine shaft and heat shield cooling arrangement Shinya Marushima, Manabu Matsumoto, Masami Noda 2005-03-01
6655153 Gas turbine shaft and heat shield cooling arrangement Shinya Marushima, Manabu Matsumoto, Masami Noda 2003-12-02
6514038 Turbine rotor, cooling method of turbine blades of the rotor and gas turbine with the rotor Shinya Marushima, Manabu Matsumoto 2003-02-04
6334756 Turbine rotor, cooling method of turbine blades of the rotor and gas turbine with the rotor Shinya Marushima, Manabu Matsumoto 2002-01-01
5382776 Combination of an optical-disk and barcode memory medium for use with an optical disk playback apparatus, having control programs stored in the optical-disk and specified by barcodes stored in the barcode memory medium Kouji Arii, Testsuo Maeda, Tetsuo Tomimoto 1995-01-17
5250787 Optical-disk playback apparatus, method of optical-disk playback and combined memory medium, having control programs stored in the optical-disc and specified by barcodes stored in a barcode memory medium Kouji Arii, Tetsuo Maeda, Tetsuo Tomimoto 1993-10-05
5117410 Optical disc apparatus with rapid and stable accessing capability 1992-05-26
5073881 Optical disc apparatus with rapid and stable accessing capability 1991-12-17
4864553 Apparatus for controlling rotation of a run length limited code modulated information recording medium Yoshio Sakakibara, Shoichi Inatomi, Noriyuki Ema 1989-09-05
4809094 Method of accessing data recorded on a disk at a high speed 1989-02-28
4360767 Motor speed control apparatus Makoto Gotou 1982-11-23
4211967 Motor speed adjusting apparatus Yoshiaki Igarashi 1980-07-08