HK

Hirotomo Kawahara

AG Agc: 16 patents #15 of 954Top 2%
AC Asahi Glass Co.: 2 patents #833 of 2,251Top 40%
📍 Tokyo, CA: #322 of 583 inventorsTop 60%
Overall (All Time): #244,152 of 4,157,543Top 6%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
12298660 Reflective mask blank for EUV lithography, reflective mask for EUV lithography, and method for manufacturing same Daijiro AKAGI, Hiroaki IWAOKA, Toshiyuki Uno, Michinori Suehara, Keishi TSUKIYAMA 2025-05-13
12235575 Reflective mask blank for EUV lithography and substrate with conductive film Yusuke Ono, Hiroshi Hanekawa 2025-02-25
12216397 Reflective mask blank for EUV lithography, mask blank for EUV lithography, and manufacturing methods thereof Daijiro AKAGI, Toshiyuki Uno, Ichiro Ishikawa, Kenichi Sasaki 2025-02-04
12038685 Reflective mask blank for EUV lithography Hiroyoshi Tanabe, Toshiyuki Uno, Hiroshi Hanekawa, Daijiro AKAGI 2024-07-16
11982935 Reflective mask blank for EUV lithography Hiroshi Hanekawa, Toshiyuki Uno, Masafumi AKITA 2024-05-14
11953822 Reflective mask blank for EUV lithography, reflective mask for EUV lithography, and method for manufacturing same Daijiro AKAGI, Hiroaki IWAOKA, Toshiyuki Uno, Michinori Suehara, Keishi TSUKIYAMA 2024-04-09
11934093 Reflective mask blank for EUV lithography and substrate with conductive film Yusuke Ono, Hiroshi Hanekawa 2024-03-19
11822229 Reflective mask blank for EUV lithography, mask blank for EUV lithography, and manufacturing methods thereof Daijiro AKAGI, Toshiyuki Uno, Ichiro Ishikawa, Kenichi Sasaki 2023-11-21
11698580 Reflective mask blank for EUV lithography Hiroyoshi Tanabe, Toshiyuki Uno, Hiroshi Hanekawa, Daijiro AKAGI 2023-07-11
11036127 Reflective mask blank and reflective mask Hiroshi Hanekawa, Toshiyuki Uno 2021-06-15
10654746 Glass plate with antireflection film Kenichi Suzuki, Nobutaka Aomine 2020-05-19
10634887 Protective film, reflective member, and method for producing protective film Naoko Okada, Nobutaka Aomine, Hiroshi Hanekawa 2020-04-28
10618838 Heat insulating glass unit for vehicle Ryota Nakamura, Kenichi Suzuki, Nobutaka Aomine 2020-04-14
10576713 Heat insulating glass unit for vehicle and manufacturing method thereof Ryota Nakamura, Kenichi Suzuki, Nobutaka Aomine 2020-03-03
10239783 Method of producing glass substrate and glass substrate Hiroshi Hanekawa, Nobutaka Aomine, Yuki Aoshima, Kazunobu Maeshige 2019-03-26
10204767 Plasma source for a plasma CVD apparatus and a manufacturing method of an article using the plasma source Nobutaka Aomine, Kazunobu Maeshige, Yuki Aoshima, Hiroshi Hanekawa 2019-02-12
9988303 Coating film-equipped glass substrate, and method for producing coating film-equipped glass substrate Hiroshi Hanekawa, Nobutaka Aomine, Yuki Aoshima, Kazunobu Maeshige 2018-06-05
9922805 Plasma source for a plasma CVD apparatus and a manufacturing method of an article using the plasma source Nobutaka Aomine, Kazunobu Maeshige, Yuki Aoshima, Hiroshi Hanekawa 2018-03-20