YO

Yutaka Oka

Fujitsu Limited: 7 patents #4,529 of 24,456Top 20%
DC Dow Corning Toray Silicone Company: 3 patents #87 of 246Top 40%
FU Fujifilm: 2 patents #2,431 of 4,519Top 55%
KS Kawasaki Steel: 2 patents #570 of 1,922Top 30%
DK Dupont Specialty Materials Korea: 1 patents #22 of 53Top 45%
NC Nippon Electric Glass Co.: 1 patents #229 of 437Top 55%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
OC Oki Semiconductor Co.: 1 patents #202 of 526Top 40%
RM Rohm And Haas Electronic Materials: 1 patents #369 of 562Top 70%
RK Rohm And Haas Electronic Materials Korea: 1 patents #114 of 185Top 65%
SA Santoku: 1 patents #36 of 83Top 45%
DJ Doryokuro Kakunenryo Kaihatsu Jigyodan: 1 patents #104 of 393Top 30%
TC Toray Engineering Co.: 1 patents #46 of 169Top 30%
DC Dow Corning Toray Co.: 1 patents #117 of 258Top 50%
DS Dow Silicones: 1 patents #322 of 722Top 45%
DC Dow Tray Co.: 1 patents #67 of 120Top 60%
DI Dupont Electronic Materials International: 1 patents #11 of 36Top 35%
Overall (All Time): #159,561 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
12371567 Thermosetting silicone composition 2025-07-29
12104061 UV curable silicone composition and an encapsulant or a sheet film thereof Shunya Takeuchi, Anna Ya Ching Feng, Jung Hye Chae 2024-10-01
11939472 Curable silicone composition, encapsulant and optical semiconductor device 2024-03-26
11781016 UV curable silicone composition and an encapsulant or a sheet film thereof Shunya Takeuchi, Anna Ya Ching Feng, Jung Hye Chae 2023-10-10
11091636 Liquid silicone composition for transfer- or injection-molding optical parts, optical parts made therefrom, and a method thereof Jong Chan Park, Min Hee KWON 2021-08-17
10333038 LED module and method for manufacturing LED module Takayoshi Fujimoto, Masamichi Yamashita, Masaki Mori 2019-06-25
9683084 Curable silicone composition, cured product thereof, and optical semiconductor device Akihiko Kobayashi, Michitaka Suto, Tomohiro Iimura 2017-06-20
7782696 Semiconductor storage device 2010-08-24
7462444 Image forming method for the photothermographic material Tomoyuki Ohzeki 2008-12-09
7235352 Photothermographic material Seiichi Yamamoto 2007-06-26
7175721 Method for preparing Cr-Ti-V type hydrogen occlusion alloy Hiroaki Takata, Junichi Nakagawa, Akira Neoda 2007-02-13
7105282 Image forming method using photothermographic material Katsutoshi Yamane, Sumito Yamada, Eiichi Okutsu, Tomoyuki Ohzeki 2006-09-12
7075837 Redundancy relieving circuit 2006-07-11
6569536 Thermoconductive liquid silicone rubber composition for fixing rolls and a fluororesin coated fixing roll Yuichi Tsuji, Hiroaki Yoshida 2003-05-27
6420038 Liquid silicone rubber composition for fixing rolls and fluorocarbon resin-covered fixing roll Hiroaki Yoshida, Yuichi Tsuji 2002-07-16
6416924 Silver halide photographic material and method for processing the same Tokuju Oikawa 2002-07-09
6297291 Liquid silicone rubber composition of low specific gravity Yuichi Tsuji 2001-10-02
5232520 High-strength martensitic stainless steel having superior fatigue properties in corrosive and erosive environment and method of producing the same Shigeto Matsumoto, Kiyoshi Uchida 1993-08-03
4963460 Light-sensitive material containing silver halide, reducing agent and polymerizable compound with silver halide outside and inside of microcapsules 1990-10-16
4879200 Light-sensitive material containing silver halide, reducing agent, polymerizable compound, and a quaternary ammonium development accelerator 1989-11-07
4830947 Light-sensitive material containing silver halide, reducing agent and polymerizable compound 1989-05-16
4744824 Method of producing metallic materials for the components of nuclear reactors Shunichi Yuhara, Terufumi Sasaki, Osamu Masuko, Kiyohiko Nohara, Tomoo Tanaka 1988-05-17
4725533 Silver halide photographic material for wash-off relief image Khotarou Endou 1988-02-16
4510229 Lithographic photosensitive material Naomi Saeki, Yoshiharu Fuseya 1985-04-09
4289523 Work tables in apparatus for blowing hollow glass articles Takeyoshi Murakawa, Tetsuo Sakamoto 1981-09-15