HK

Hiroshi Kohda

Sumitomo Electric Industries: 19 patents #1,151 of 21,551Top 6%
NU National University Corporation Okayama University: 1 patents #90 of 315Top 30%
Overall (All Time): #233,497 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
12085754 Method for producing optical fiber with laser stripping step, and optical fiber thereof Suguru Takasaki 2024-09-10
11454760 Method for manufacturing optical fiber and optical fiber Suguru Takasaki 2022-09-27
11256027 Optical fiber glass eccentricity measurement device and measurement method 2022-02-22
11022549 Optical fiber inspecting device, optical fiber manufacturing apparatus, method for inspecting optical fiber, and method for manufacturing optical fiber Kumiko Tachibana, Takashi Fujii 2021-06-01
10551307 Optical fiber inspecting device, optical fiber manufacturing apparatus, method for inspecting optical fiber, and method for manufacturing optical fiber Kumiko Tachibana, Takashi Fujii 2020-02-04
D821330 Optical fiber array Tetsuya Nakanishi, Yuuichi Mitose, Takashi Sasaki, Jun Ito, Takeyuki Ishii 2018-06-26
D799429 Optical fiber array Tetsuya Nakanishi, Yuuichi Mitose, Jun Ito, Takeyuki Ishii, Takashi Sasaki 2017-10-10
D799430 Optical fiber array Tetsuya Nakanishi, Yuuichi Mitose, Takashi Sasaki, Takeyuki Ishii, Jun Ito 2017-10-10
9291784 Sealing component, optical device sealing structure, method for producing sealing component, and method for producing optical device sealing structure Tomomi Moriya, Dai Sasaki 2016-03-22
9225138 Laser light source Shigehiro Nagano, Motoki Kakui, Shinobu Tamaoki, Yasuomi Kaneuchi 2015-12-29
8933367 Laser processing method Motoki Kakui, Yasuomi Kaneuchi, Shinobu Tamaoki, Shigehiro Nagano, Yoshiyuki Uno +2 more 2015-01-13
8546722 Laser processing apparatus and processing method employed therein Eiichiro Yamada, Akira Inoue, Koji Nakazato, Hitoshi Hatayama, Takemi Hasegawa 2013-10-01
8303738 Metal heating apparatus, metal heating method, and light source apparatus Eiichiro Yamada, Hiroshi Suganuma, Akira Inoue, Kazuhito Saito, Koji Nakazato 2012-11-06
7600927 Optical splicer, optical module, and method of producing optical splicer Kazuhito Saito, Mitsuaki Tamura, Maki Ikeji, Eiichiro Yamada 2009-10-13
7561769 Optical fiber for irradiation-light transfer and light irradiation device equipped with the same Miyoko Fujimoto, Kazuhiro Okamoto 2009-07-14
7387448 Optical component, method for connecting the same, and optical module having the optical component 2008-06-17
7127135 Optical device with lightwave circuit element Chie Fukuda 2006-10-24
6964523 Optical switch, optical-fiber-arraying-member, production method thereof, and arraying method of optical fibers Kazuhito Saito, Takeo Komiya 2005-11-15
6711322 Optical switch, optical-fiber-arraying-member, production method thereof, and arraying method of optical fibers Kazuhito Saito, Takeo Komiya 2004-03-23