NK

Naoki Katagiyama

JL Japan Aviation Electronics Industry, Limited: 54 patents #10 of 728Top 2%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
NE Nec: 1 patents #7,889 of 14,502Top 55%
Overall (All Time): #45,454 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 1–25 of 55 patents

Patent #TitleCo-InventorsDate
D1076811 Optical connector 2025-05-27
D1041419 Plug for optical connector Takayuki Tanaka 2024-09-10
10992085 Receptacle Masaki Ishiguro, Takayuki Tanaka, Akihiro TOSAKI, Shingo Nakajima 2021-04-27
D870669 Connector housing Yuichi Koreeda, Hideto Shimazu, Takayuki Tanaka 2019-12-24
10320121 Connector-incorporating plug Yuichi Koreeda 2019-06-11
10067300 Connector-equipped plug Yuichi Koreeda 2018-09-04
D825488 Cap for optical connector Yuichi Koreeda 2018-08-14
10036862 Connector Takayuki Tanaka, Hideo Sugimoto, Hideto Shimazu 2018-07-31
10018793 Connector Masaki Ishiguro, Takayuki Tanaka 2018-07-10
10001604 Connector-incorporating plug Yuichi Koreeda, Hideto Shimazu, Osamu Imaki, Hideo Sugimoto, Masaki Ishiguro +1 more 2018-06-19
10003154 Dust cap having a housing with a cantilever beam secured to a shell of a receptacle by a coupling member Yuichi Koreeda 2018-06-19
D812014 Ring for holding the connections of the connectors Yuichi Koreeda 2018-03-06
9904019 Optical-connector-incorporating plug Yuichi Koreeda, Hideto Shimazu, Osamu Imaki, Hideo Sugimoto, Masaki Ishiguro +1 more 2018-02-27
D790470 Adapter for optical connectors Yuichi Koreeda 2017-06-27
D789889 Adapter for optical connectors Yuichi Koreeda 2017-06-20
D782982 Cap for optical connector Yuichi Koreeda 2017-04-04
D777106 Optical connector Yuichi Koreeda 2017-01-24
D776616 Optical connector Yuichi Koreeda 2017-01-17
D771572 Cap for optical connector Yuichi Koreeda 2016-11-15
D769828 Cap for optical connector Yuichi Koreeda 2016-10-25
D763199 Positioning tool for optical connector Yuichi Koreeda 2016-08-09
D754073 Optical connector Yuichi Koreeda 2016-04-19
D754072 Adapter for optical connector Yuichi Koreeda 2016-04-19
D753594 Optical connector Yuichi Koreeda 2016-04-12
D751505 Optical connector Yuichi Koreeda 2016-03-15