MN

Masashi Nakajima

TO Topcon: 6 patents #139 of 684Top 25%
NC Nippon Soda Co.: 5 patents #83 of 648Top 15%
TO Tonen: 2 patents #77 of 264Top 30%
SL Suntory Holdings Limited: 1 patents #406 of 846Top 50%
TK Toa Nenryo Kogyo: 1 patents #121 of 220Top 60%
TC Toray Thiokol Co.: 1 patents #4 of 15Top 30%
Overall (All Time): #305,465 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
12402789 Ophthalmic apparatus, method of controlling ophthalmic apparatus, and recording medium Jun Sakai 2025-09-02
12226161 Ophthalmic apparatus Jonathan Liu, Yasufumi Fukuma 2025-02-18
10959614 Ophthalmologic device and pupil state measuring method 2021-03-30
10743762 Ophthalmologic apparatus Hitoshi Shimizu, Tony Ko, Jonathan Liu, Yasufumi Fukuma 2020-08-18
10123700 Ophthalmic apparatus and alignment method for ophthalmic apparatus 2018-11-13
9693681 Ophthalmic apparatus Takaichi Tamura 2017-07-04
5856549 Silane compound and process for the preparation thereof Takayuki Taki, Kunihiko Imanishi, Masahide Murata 1999-01-05
5808055 Copper catalyzed process for producing 4-substituted azetidinone derivatives Yasuharu Kimura, Kiyohito Imai 1998-09-15
5747595 Catalyst for the polymerization of olefines and processes for the polymerization of olefines using the same Toshiya Saito, Takayuki Taki, Kunihiko Imanishi, Masahide Murata, Hiroyuki Ozaki +3 more 1998-05-05
5484949 Method for the synthesis of .alpha. .beta.-unsaturated ketones Keiichi Tsukashima, Masayoshi Fujimaru, Kenji Suzuki 1996-01-16
5300654 Method for the preparation of unsaturated ketones Tadashi Kyotani, Mikio Sawaki 1994-04-05
5214151 Method for the preparation of .alpha., .beta.-unsaturated ketones Tadashi Kyotani, Keiichi Tsukashima 1993-05-25
5008455 Method for the production of hydroxylamine derivatives Nobuo Tomita, Kenji Suzaki, Akira Kaneko, Mikio Sawaki 1991-04-16
4921988 Process for preparing aminopropyl silanes Kazutoshi Takatsuna, Mamoru Tachikawa, Kouji Shinozawa, Akihito Shinohara, Yoshiharu Okumura 1990-05-01
4902736 One-part curing composition Toshiaki Nonaka, Tatsuro Matsui, Noriaki Dokoshi 1990-02-20