MI

Masao Ikeda

SO Sony: 55 patents #389 of 25,231Top 2%
TU Tohoku University: 11 patents #36 of 1,680Top 3%
SC Sumitomo Bakelite Co.: 7 patents #30 of 790Top 4%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
AC Ajinomoto Co.: 2 patents #796 of 2,190Top 40%
NS Nippon Steel: 2 patents #1,308 of 4,423Top 30%
SK Sekisui Kagaku Kogyo: 1 patents #148 of 395Top 40%
HK Hayashibara Seibutsu Kagaku Kenkyujo: 1 patents #157 of 263Top 60%
JT Jtekt: 1 patents #1,102 of 1,969Top 60%
Overall (All Time): #31,124 of 4,157,543Top 1%
68
Patents All Time

Issued Patents All Time

Showing 25 most recent of 68 patents

Patent #TitleCo-InventorsDate
10903376 Light receiving/emitting element, solar cell, optical sensor, light emitting diode, and surface emitting laser element Tomomasa Watanabe, Hiroshi Yoshida, Shiro Uchida, Ichiro Nomachi, Masayuki Arimochi +3 more 2021-01-26
10646228 Endoscopic clip device and clip Takuya Hayashi, Hiroshi Utsugi, Etsuro Yamabe, Hideaki Matsunami 2020-05-12
10492794 Clip cartridge Takuya Hayashi, Etsuro Yamabe, Hideaki Matsunami, Wataru Otsuka, Tetsuro Abe 2019-12-03
10363397 Catheter, catheter manipulation part, and catheter manufacturing method Kenichi Kanemasa, Shinetsu Harata, Yoshihiro Abe, Hayao Tanaka, Keiji Kamada 2019-07-30
9919135 Sheath for gastrostoma, sheathed dilator, sheath for gastrostoma with insertion aid, gastrostomy catheter kit, and method of splitting sheath for gastrostoma Yutaka Suzuki, Hideaki Matsunami, Yukihiko Sakaguchi, Tomokazu Nakayama, Keiji Kamada +1 more 2018-03-20
9905719 Multi-junction solar cell, photoelectric conversion device, and compound-semiconductor-layer lamination structure Hiroshi Yoshida, Shiro Uchida, Takashi Tange, Masaru Kuramoto, Masayuki Arimochi +3 more 2018-02-27
RE45973 Semiconductor optical amplifier Masaru Kuramoto, Rintaro Koda, Tomoyuki Oki, Hideki Watanabe, Takao Miyajima +1 more 2016-04-12
9212961 Grinding abnormality monitoring method and grinding abnormality monitoring device Tomoyuki Kasuga, Atsushi Saito, Takayuki Yoshimi 2015-12-15
8786941 Semiconductor optical amplifier Masaru Kuramoto, Rintaro Koda, Tomoyuki Oki, Hideki Watanabe, Takao Miyajima +1 more 2014-07-22
8615027 Laser diode, optical disk device and optical pickup Makoto Oota, Hiroyuki Yokoyama, Masaru Kuramoto 2013-12-24
8591525 Hemorrhoid ligation apparatus, ligation kit containing the apparatus and method for ligating hemorrhoid 2013-11-26
8588264 Method of driving a laser diode Hiroyuki Yokoyama, Shunsuke Kono, Tomoyuki Oki, Takao Miyajima, Hideki Watanabe 2013-11-19
8587004 Semiconductor light emitting device, its manufacturing method, semiconductor device and its manufacturing method Osamu Goto, Takeharu Asano, Yasuhiko Suzuki, Motonobu Taketani, Katsuyoshi Shibuya +3 more 2013-11-19
8575626 Bi-section semiconductor laser device, method for manufacturing the same, and method for driving the same Hideki Watanabe, Takao Miyajima, Hiroyuki Yokoyama, Tomoyuki Oki, Masaru Kuramoto 2013-11-05
8460958 Semiconductor light emitting device, its manufacturing method, semiconductor device and its manufacturing method Osamu Goto, Takeharu Asano, Yasuhiko Suzuki, Motonobu Takeya, Katsuyoshi Shibuya +3 more 2013-06-11
8442079 Mode-locked semiconductor laser device and driving method thereof Tomoyuki Oki, Masaru Kuramoto, Takao Miyajima, Hideki Watanabe, Hiroyuki Yokoyama 2013-05-14
8329483 Bi-section semiconductor laser device, method for manufacturing the same, and method for driving the same Hideki Watanabe, Takao Miyajima, Hiroyuki Yokoyama, Tomoyuki Oki, Masaru Kuramoto 2012-12-11
8303607 Medical device Yutaka Suzuki, Hideaki Matsunami, Yukihiko Sakaguchi, Yasunori Kojo 2012-11-06
8290005 Method of driving a laser diode Hiroyuki Yokoyama, Shunsuke Kono, Tomoyuki Oki, Takao Miyajima, Hideki Watanabe 2012-10-16
8277463 Medical device and method of fixing internal organ Yutaka Suzuki, Hideaki Matsunami, Yasunori Kojo, Yukihiko Sakaguchi 2012-10-02
8116343 Method of driving a laser diode Hiroyuki Yokoyama, Shunsuke Kono, Tomoyuki Oki, Takao Miyajima, Hideki Watanabe 2012-02-14
8111723 Method of driving a laser diode Hiroyuki Yokoyama, Shunsuke Kono, Tomoyuki Oki, Takao Miyajima, Hideki Watanabe 2012-02-07
8081669 Method of driving laser diode device and laser diode equipment Hiroyuki Yokoyama, Shunsuke Kono, Tomoyuki Oki 2011-12-20
8080434 Nondestructive testing method for oxide semiconductor layer and method for making oxide semiconductor layer Norihiko Yamaguchi, Satoshi Taniguchi 2011-12-20
8008165 Nitride semiconductor wafer and method of processing nitride semiconductor wafer Masahiro Nakayama, Naoki Matsumoto, Koshi Tamamura 2011-08-30