HH

Hirohiko Hirao

SC Shikoku Chemicals: 15 patents #2 of 89Top 3%
Overall (All Time): #313,329 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
12091430 Metal surface treatment liquid and liquid concentrate thereof, metal surface treatment liquid set, metal surface treatment method, and method for manufacturing printed wiring board Noriaki Yamaji, Tatsuya Koga 2024-09-17
11680076 Triazole silane compound, method for synthesizing said compound and use thereof Takayuki Murai, Miya Tanioka, Shusaku Iida, Masato KATSUMURA, Noriaki Yamaji +2 more 2023-06-20
11472823 Tetrazole silane compound, method for synthesizing said compound and use thereof Noriaki Yamaji, Takayuki Murai, Miya Tanioka, Shusaku Iida, Masato KATSUMURA +3 more 2022-10-18
11014946 Tetrazole silane compound, method for synthesizing said compound and use thereof Noriaki Yamaji, Takayuki Murai, Miya Tanioka, Shusaku Iida, Masato KATSUMURA +3 more 2021-05-25
10405422 Copper film-forming agent and method for forming copper film Shusaku Iida, Takayuki Murai 2019-09-03
10398028 Surface treating composition for copper and copper alloy and utilization thereof Noriaki Yamaji, Masato Nakanishi, Takayuki Murai 2019-08-27
9649713 Surface treating composition for copper and copper alloy and utilization thereof Noriaki Yamaji, Masato Nakanishi, Takayuki Murai 2017-05-16
9532493 Surface treating composition for copper and copper alloy and utilization thereof Noriaki Yamaji, Masato Nakanishi, Takayuki Murai 2016-12-27
8378116 Phenylnaphthylimidazole compound and usage of the same Yoshimasa Kikukawa, Takayuki Murai 2013-02-19
8183386 Phenylnaphthylimidazole compound and usage of the same Yoshimasa Kikukawa, Takayuki Murai 2012-05-22
7754105 Water-soluble preflux and usage of the same Yoshimasa Kikukawa, Takayuki Murai 2010-07-13
7661577 Imidazole compound and use thereof Takayuki Murai, Yoshimasa Kikukawa 2010-02-16
5795409 Surface treating agent for copper or copper alloy Yoshimasa Kikukawa 1998-08-18
5560785 Method for forming a protective chemical layer on copper and copper alloy surfaces Yoshimasa Kikukawa, Toshihiro Okamoto, Takayuki Murai, Seiji Sogabe, Miya Tanioka +2 more 1996-10-01
5498301 Agent for treating surfaces of copper and copper alloys Yoshimasa Kikukawa, Toshihiro Okamoto, Takayuki Murai, Seiji Sogabe, Miya Tanioka +2 more 1996-03-12