TK

Toshihiro Kumagai

OL Olympus: 3 patents #1,323 of 3,097Top 45%
TI Tokai Rubber Industries: 3 patents #126 of 557Top 25%
SE Seiko Epson: 2 patents #4,555 of 7,774Top 60%
NC Nippon Steel Chemical Co.: 1 patents #136 of 380Top 40%
NC NS Sumikin Chemical: 1 patents #69 of 144Top 50%
📍 Tajimi, JP: #14 of 115 inventorsTop 15%
Overall (All Time): #493,017 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12162271 Recording apparatus Nobuhisa Nomoto, Masaharu Iwamoto, Keiichi Okamura 2024-12-10
11745524 Recording apparatus Nobuhisa Nomoto, Masaharu Iwamoto, Keiichi Okamura 2023-09-05
11478123 Control apparatus and self-propelled type endoscope system Takashi Suzuki, Fumiyuki Onoda, Takashi Yamashita, Yasuaki Natori, Yoshitaka Umemoto +1 more 2022-10-25
10978970 Apparatus and control apparatus for the same Yoshitaka Umemoto, Takashi Suzuki, Takuro Onda 2021-04-13
9750394 Endoscope system, endoscope apparatus, and processor Hidenobu Kubo 2017-09-05
8450478 Cyclic guanidine ionic liquid Atsushi Kawada, Aya Tashiro 2013-05-28
8129543 Cyclic guanidine ionic liquid Atsushi Kawada, Aya Tashiro 2012-03-06
5551735 Tube fitting Akira Takayanagi, Kinji Hosoya 1996-09-03
5378024 Quick connector Hirokazu Kitamura, Tsutomu Kodama, Kazuhiro Kato 1995-01-03
5320390 Quick connector Tsutomu Kodama, Hirokazu Kitamura, Kazuhiro Kato 1994-06-14