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Akira Mashimo — 89 Patents

TETeac: 72 patents #6 of 440Top 2%

Mitsubishi Electric: 8 patents #3,714 of 25,717Top 15%

OCOki Electric Industry Co.: 8 patents #196 of 2,807Top 7%

SCShionogi & Co.: 5 patents #182 of 1,054Top 20%

Nec: 3 patents #4,217 of 14,502Top 30%

Tdk: 1 patents #2,493 of 3,796Top 70%

FLFujitsu Semiconductor Limited: 1 patents #612 of 1,301Top 50%

ECElectric Industry Co.: 1 patents #1 of 15Top 7%

Osaka, JP: #152 of 24,344 inventorsTop 1%

Overall (All Time): #18,310 of 4,157,543Top 1%

89 Patents All Time

Akira Mashimo has been granted 89 US patents while listed as an inventor at Teac. The first was granted in 1988 and the most recent in July 2025. Akira Mashimo ranks #18,310 of 4,157,543 US inventors in our database (top 0.44%). Patent records list Akira Mashimo in Osaka, JP.

Patents per Year

Issued Patents All Time

Showing 1–25 of 89 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12350377	Preparation containing 6,7-unsaturated-7-carbamoyl morphinan derivatives	Shunji Ichio, Yoshinori Tamura, Kouichi Noguchi	2025-07-08
11135217	Manufacturing process of formulation having improved content uniformity	Shunji Ichio	2021-10-05
11116727	Preparation containing 6,7-unsaturated-7-carbamoyl morphinan derivatives	Shunji Ichio	2021-09-14
10952968	Preparation containing 6,7-unsaturated-7-carbamoyl morphinan derivatives	Shunji Ichio, Yoshinori Tamura, Kouichi Noguchi	2021-03-23
9427402	Preparation for improving solubility of poorly soluble drug	Satoshi Sakuma, Hiroshi Ueda, Hiroshi Murazato	2016-08-30
8149026	Driver circuit and adjustment method therefor	Yasukuni Inagaki	2012-04-03
8081546	Optical disk apparatus for performing power control	—	2011-12-20
7817527	Optical disk drive and method for recording data	—	2010-10-19
7800998	Optical disk and optical disk drive	—	2010-09-21
7697405	Inspection apparatus for optical disk having phase modulated wobble tracks and optical disk apparatus for driving the optical disk	Keishi Ueno	2010-04-13
7599262	Optical disk apparatus	—	2009-10-06
7570570	Optical disk drive	—	2009-08-04
7502287	Optical disk apparatus	—	2009-03-10
7496020	Optical disc apparatus	—	2009-02-24
7483353	Optical disk device	—	2009-01-27
7483354	Optical disk apparatus for recording data on multilayer optical disk	—	2009-01-27
7477585	Error correction device and optical disk device	—	2009-01-13
7436746	Tilt detection system, tilt detection method and tilt adjustment method	Keishi Ueno	2008-10-14
7411879	Optical disk device	—	2008-08-12
7397750	Optical disc apparatus with rule based synchronization	—	2008-07-08
7355947	Optical disk device and optical disk	—	2008-04-08
7355942	Optical disk and optical disk drive for suppressing a digital sum value and low-frequency components	Yutaka Yamanaka	2008-04-08
7304924	Optical disk device capable of demodulation and verification of address data from land and groove track address systems	—	2007-12-04
7245571	Optical disk drive that can adjust erase power during writing operation	Toshiki Shimizu	2007-07-17
7245579	High-definition optical disk and high-definition optical disk drive	—	2007-07-17