YO

Yoshiharu Okumura

TK Toa Nenryo Kogyo: 15 patents #7 of 220Top 4%
TI Toray Industries: 7 patents #335 of 3,690Top 10%
TO Tonen: 4 patents #33 of 264Top 15%
OC Optex Co.: 2 patents #42 of 111Top 40%
EX ExxonMobil: 2 patents #3,932 of 10,161Top 40%
📍 Kawagoe, JP: #41 of 1,278 inventorsTop 4%
Overall (All Time): #126,091 of 4,157,543Top 4%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
6909370 Intruder detection device and intruder detection method Hiroaki Nakamura, Shingo Okawa 2005-06-21
6791087 Differential infrared detector 2004-09-14
5997789 Process of melt-spinning synthetic fiber Hiroshi Takahashi, Yuhei Maeda, Katsunori Matsuda 1999-12-07
5429847 Tubular nonwoven fabric comprising circumferentially oriented parallel reinforcing fibers within a tubular nonwoven fabric Katsutoshi Ando, Nobuo Kurata, Kouji Sugano 1995-07-04
5429848 Electret tubular nonwoven fabric comprising circumferentially oriented parallel reinforcing fibers within a tubular nonwoven fabric Katsutoshi Ando, Nobuo Kurata, Kouji Sugano 1995-07-04
5296061 Process for producing a tubular nonwoven fabric and tubular nonwoven fabric produced by the same Katsutoshi Ando, Nobuo Kurata, Kouji Sugano 1994-03-22
5266369 Packaging material made of electret material and packaging method Katsutoshi Ando, Katsuya Ogawa, Eiichi Nishiura, Yoshikazu Ii 1993-11-30
5248803 Silane compound and processes for the preparation thereof Tomoko Aoki, Kunihiko Imanishi, Ryuji Sato, Satoshi Ueki, Tadanao Kohara 1993-09-28
5145979 Processes for the preparation of .gamma.-methacryloxypropylsilane compounds Kazutoshi Takatsuna, Masaaki Ishii, Hideaki Ogawa, Akihito Shinohara, Kouji Shiozawa +1 more 1992-09-08
5142082 Silane compound and processes for the preparation thereof Ryuji Sato, Satoshi Ueki, Tomoko Aoki 1992-08-25
5062158 Protective sheets having self-adhesive property used for wearing on clothes and keeping them clean Mitsuko Oka 1991-11-05
4966981 Process for preparing epoxy group-containing silanes Haruko Takai, Taiji Sakiyama, Kimishige Matsuzaki, Toshio Nozaki, Chihiro Imai 1990-10-30
4948515 Filter for liquid and method of filtering liquid Katsutoshi Ando 1990-08-14
4927953 Process for preparing aminopropyl silanes Kazutoshi Takatsuna, Kouji Shiozawa 1990-05-22
4921988 Process for preparing aminopropyl silanes Kazutoshi Takatsuna, Mamoru Tachikawa, Kouji Shinozawa, Masashi Nakajima, Akihito Shinohara 1990-05-01
4897501 Process for preparing aminopropyl alkoxy silanes Kazutoshi Takatsuna, Mamoru Tachikawa, Kouji Shiozawa, Nobukazu Okamoto 1990-01-30
4888436 Process for preparing aminopropyl alkoxy silanes Kouji Shiozawa, Haruko Takai, Kazutoshi Takatsuna, Nobukazu Okamoto, Chihiro Imai 1989-12-19
4820674 Process for preparing a hydrosilylation catalyst Kouji Shiozawa, Chihiro Imai, Nobukazu Okamoto 1989-04-11
4775651 Process for the production of silanes Mamoru Tachikawa, Kazutoshi Takatsuna, Kouji Shiozawa, Takeo Koyama 1988-10-04
4725420 Process for the production of silanes Mamoru Tachikawa, Kazutoshi Takatsuna, Kouji Shiozawa, Takeo Koyama 1988-02-16
4638106 Two stage process for improving the catalyst life of zeolites in the synthesis of lower olefins from alcohols and their ether derivatives Wim J. M. Pieters 1987-01-20
4554260 Two stage process for improving the catalyst life of zeolites in the synthesis of lower olefins from alcohols and their ether derivatives Wim J. M. Pieters 1985-11-19
4507512 Process for hydration of olefins Setsuo Kamiyama, Hiroshi Furukawa, Katsumi Kaneko 1985-03-26
4499313 Process for hydration of olefins Setsuo Kamiyama, Toshihiro Hosokawa, Katsumi Kaneko 1985-02-12
4481373 Method of manufacturing ketones Tadamori Sakakibara, Katsumi Kaneko 1984-11-06