TH

Tsuyoshi Hayakawa

SC Seikosha Co.: 9 patents #33 of 312Top 15%
DE Denso: 4 patents #3,129 of 11,792Top 30%
HK Hamamatsu Photonics K.K.: 2 patents #676 of 1,436Top 50%
BL Biosensor Laboratories: 2 patents #4 of 21Top 20%
TK Terumo Kabushiki Kaisha: 2 patents #599 of 1,558Top 40%
HP Hamamatsu Photonics: 1 patents #67 of 131Top 55%
SP Seiko Precision: 1 patents #81 of 173Top 50%
Overall (All Time): #203,316 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
11865640 Concentric cylindrical member pair welding method and welding device thereof Noritsugu Kato, Shigeyuki Kusano, Yuki Kato 2024-01-09
10160056 Arc welding equipment Hideaki Shirai, Yuusuke Kataoka 2018-12-25
10035213 Welding method and welding apparatus Hideaki Shirai 2018-07-31
9061364 TIG welding method and apparatus Hideaki Shirai 2015-06-23
5637874 Apparatus and method for measuring chemiluminescence Katsu Honzawa, Kazuhiro Atsumi, Fumihiko Shimomura, Masayuki Masuko 1997-06-10
5581288 Ink jet head block Yukiharu Shimizu, Hiroyuki Kojima, Shoichi Sato, Toshiya Tamura, Takashi Kogo +1 more 1996-12-03
5534903 Ink jet head Hajime Oda, Takashi Kogo, Yukiharu Shimizu, Shoichi Sato, Toshiya Tamura +1 more 1996-07-09
5523845 A fiber optic device for measuring liquids which are drawn into an end of the device to a predetermined distance from the end of the optical fibers Katsu Honzawa, Kazuhiro Atsumi, Humihiko Shimomura, Seiji Kawaguchi, Yuichiro Sakamoto +2 more 1996-06-04
5397537 Test instrument Zensho Kanda, Katsuhiko Miyaguchi, Masufumi Koike, Naoki Morikawa 1995-03-14
5344245 Serial printer Akio Tajima, Hiroyuki Harada, Harukazu Shimizu, Haruo Inoue, Takashi Kougo +2 more 1994-09-06
5336004 Dot printer Hiroyuki Harada, Akio Tajima, Takashi Kogo, Tadashi Nagakawa, Hajima Oda +1 more 1994-08-09
5260029 Fluorescence detection of DNA bases Shigeru Hosoi 1993-11-09
D333105 Clock movement 1993-02-09
D328136 Blood sugar strip 1992-07-21
5105398 Three hands type clock with belt drive Satoru Yamauchi, Junichi Aizawa, Yukio Funahara 1992-04-14
4912737 X-ray image observing device Shinji Ohsuka, Masaru Sugiyama, Katsuyuki Kinoshita, Akira Ohba 1990-03-27
D303227 Clock movement 1989-09-05
D303228 Clock movement Hidetsugu Ikeda 1989-09-05
4862004 Radiation dose measuring method and apparatus with nuclide discrimination function Kiyoshi Koike, Hiroshi Tsuchiya 1989-08-29
4796239 Circuit unit for timepiece and process for fabricating the same Satoru Yamauchi, Isato Watanabe, Isao Kondo 1989-01-03
4745682 Method of connecting coil Isato Watanabe, Satoru Yamauchi, Isao Kondo, Junichi Aizawa 1988-05-24