MY

Masao Yamaguchi

KT Kabushiki Kaisha Toshiba: 55 patents #288 of 21,451Top 2%
TK Toshiba Tec Kabushiki Kaisha: 27 patents #96 of 1,664Top 6%
Tdk: 20 patents #264 of 3,796Top 7%
EN Enplas: 16 patents #13 of 255Top 6%
TO Tokuyama: 13 patents #15 of 562Top 3%
SC Sanyo Electric Co.: 9 patents #569 of 6,347Top 9%
TL Tokyo Electron Limited: 7 patents #1,084 of 5,567Top 20%
NC Nippon Soda Co.: 6 patents #65 of 648Top 15%
HC Hirose Electric Co.: 5 patents #71 of 407Top 20%
HC Horiba Stec, Co.: 4 patents #34 of 163Top 25%
S- S-Tec: 4 patents #16 of 93Top 20%
AC Aps Japan Co.: 3 patents #6 of 7Top 90%
TC Tokyo Magnetic Printing Co.: 3 patents #9 of 46Top 20%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
NT Nec Tokin: 2 patents #100 of 299Top 35%
NC Nihon Dempa Kogyo Co.: 1 patents #180 of 296Top 65%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
MI Mitsui Toatsu Chemicals, Incorporated: 1 patents #880 of 1,543Top 60%
KS Kawasaki Steel: 1 patents #889 of 1,922Top 50%
JS Jfe Steel: 1 patents #825 of 1,401Top 60%
TL Tokyo Electron Yamanashi Limited: 1 patents #52 of 138Top 40%
DI Daikin Industries: 1 patents #1,764 of 2,957Top 60%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
OC Olympus Optical Co.: 1 patents #1,517 of 2,334Top 65%
OL Olympus: 1 patents #2,078 of 3,097Top 70%
Overall (All Time): #4,818 of 4,157,543Top 1%
169
Patents All Time

Issued Patents All Time

Showing 1–25 of 169 patents

Patent #TitleCo-InventorsDate
12392150 Booth 2025-08-19
12275000 Method of producing catalyst or adsorbent carrier, and catalyst or adsorbent carrier Takafumi Watanabe, Teruo Watanabe, Hidemitsu Watanabe, Hiroyuki Watanabe 2025-04-15
11935511 Acoustic output apparatus 2024-03-19
11914321 Image forming apparatus with sound mitigation 2024-02-27
11865512 Method of producing catalyst or adsorbent carrier, and catalyst or adsorbent carrier Takafumi Watanabe, Teruo Watanabe, Hidemitsu Watanabe, Hiroyuki Watanabe 2024-01-09
11446406 Photocatalytic device and fluid cleaning apparatus having the device Teruo Watanabe, Hidemitsu Watanabe, Hiroyuki Watanabe, Takafumi Watanabe 2022-09-20
11255134 Threaded joint for oil country tubular goods 2022-02-22
10705544 Fluid control unit and program storage media for fluid control unit Kazuhiro Matsuura, Kentaro Nagai 2020-07-07
RE47891 Emission device, surface light source device, display and light flux control member Shingo Ohkawa 2020-03-03
10503179 Flow rate control apparatus and program recording medium having recorded therein program for flow rate control apparatus Shigeyuki Hayashi, Kentaro Nagai 2019-12-10
10486926 Apparatus for transporting paper sheet 2019-11-26
10108127 Duplex printing image forming apparatus 2018-10-23
9837811 Power source apparatus formed by combining a plurality of modules Takanori Harada 2017-12-05
9752750 Method of manufacturing light flux controlling member Yasuyuki Fukuda 2017-09-05
9671550 Surface light source device and display apparatus using same Yusuke Ohashi 2017-06-06
9546773 Surface light source apparatus Yasuyuki Fukuda 2017-01-17
9544694 Piezoelectric element, piezoelectric vibration module, and methods of manufacturing the same Yoshiyuki Abe, Takeshi Mizuno, Hiroshi Shima, Noriaki IKEZAWA, Katsunori Kumasaka 2017-01-10
9529183 Surface light source device and display apparatus Hiroshi Takatori 2016-12-27
9435514 Surface light source device and display device Hiroshi Takatori 2016-09-06
9405110 Surface light source device and display apparatus Hiroshi Takatori 2016-08-02
9347643 Light flux controlling apparatus Yasuyuki Fukuda 2016-05-24
9093864 Assembled cell control system and power supply system comprising same Takayoshi Abe, Toshiya Iwasaki 2015-07-28
9086517 Light flux controlling member, light emitting apparatus, surface light source apparatus and display apparatus Yasuyuki Fukuda 2015-07-21
9030167 Power source apparatus Mikitaka Tamai, Osamu Kaite, Shinichi Itagaki, Masayuki Kobayashi, Hiroyoshi Yamamoto 2015-05-12
8965714 Diagnostic mechanism Yuji Yamaguchi, Kentaro Nagai, Toshiyuki Himi 2015-02-24