Yasuharu Yamada

11 related patents across 11 interactive lens diagrams.

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Olympus Corporation(1)

JP 2021-096331 A2021

Assignee: Olympus Corporation

Inventors: Yuki Kubota, Yasuharu Yamada

Numerical Example 5OLYMPUS M.ZUIKO DIGITAL ED 150-400mm f/4.5 TC1.25× IS PRO— 21 ELEMENTS / 14 GROUPS, DESIGN f = 153.00–391.96 mm

Olympus Imaging Corporation(5)

JP 2010-186010 A2010

Assignee: Olympus Imaging Corporation

Inventors: Yasuharu Yamada, Takeshi Hosoya

Numerical Example 1OLYMPUS M.ZUIKO DIGITAL ED 14-42mm f/3.5-5.6— 9 ELEMENTS / 8 GROUPS, DESIGN f = 14.29-41.19 mm

JP 2012-173420 A2012

Assignee: Olympus Imaging Corporation

Inventors: Koji Ogata, Kazuteru Kawamura, Yasuharu Yamada, Hirohiko Kimata

Numerical Example 2OLYMPUS M.ZUIKO DIGITAL ED 12-50mm f/3.5-6.3 EZ— 10 ELEMENTS / 9 GROUPS, DESIGN f = 12.24-48.96 mm

JP 2013-186458 A2013

Assignee: Olympus Imaging Corporation

Inventors: Yasuharu Yamada, Daichi Murakami, Yuki Kubota

Numerical Example 3OLYMPUS M.ZUIKO DIGITAL 17mm f/1.8— 17mm f/1.8, Patent f = 17.30 mm / FNO = 1.716

US 2014/0139720 A12014

Assignee: Olympus Imaging Corporation

Inventors: Yasuji Ogata, Yasuharu Yamada, Akiyoshi Tochigi, Keitaro Yokoyama

Example 5OLYMPUS M.ZUIKO DIGITAL ED 12-40mm f/2.8 PRO— 14 ELEMENTS / 9 GROUPS, f = 12.25–39.10 mm

US 8,755,132 B22014

Assignee: Olympus Imaging Corporation

Inventors: Yasuharu Yamada, Hirohiko Kimata

Example 1OLYMPUS M.ZUIKO DIGITAL 17mm f/2.8— 6 elements / 4 groups, f = 17 mm (design 17.30 mm)

OM Digital Solutions Corporation(1)

JP 2024-066164 A2024

Assignee: OM Digital Solutions Corporation

Inventors: Yasuharu Yamada

Example 1OM SYSTEM M.ZUIKO DIGITAL ED 90mm f/3.5 MACRO IS PRO— 18 ELEMENTS / 13 GROUPS, DESIGN f = 88.21 mm

Tamron Co., Ltd.(4)

US 6,437,923 B12002

Assignee: Tamron Co., Ltd.

Inventors: Yasuharu Yamada

Example 1TAMRON AF 28-200mm f/3.8-5.6 Super XR Aspherical [IF] MACRO— 28-200mm marketing / 29.07-193.0mm patent design, 15 PHYSICAL LENS PIECES / 14 GROUPS

US 2003/0156333 A12003

Assignee: Tamron Co., Ltd.

Inventors: Yasuharu Yamada

Sole exampleTAMRON AF 28-300mm f/3.5-6.3 XR Di LD Aspherical [IF] MACRO— 28-300mm marketed / 28.9958-289.5284mm modeled, f/3.5-6.3 marketed / f/3.50-6.50 patent wide-open

JP 2004-101739 A2004

Assignee: Tamron Co., Ltd.

Inventors: Yasuharu Yamada

Sole exampleMINOLTA AF 28-75mm f/2.8 (D)— 28-75mm f/2.8, 16 elements / 14 groups

US 7,075,731 B12006

Assignee: Tamron Co., Ltd.

Inventors: Yasuharu Yamada

Sole exampleTAMRON SP AF 28-75mm f/2.8 XR Di LD Aspherical [IF] MACRO— 16 ELEMENTS / 14 GROUPS, DESIGN f = 28.87-72.65 mm

Yasuharu Yamada

Olympus Corporation(1)

JP 2021-096331 A↗2021

Olympus Imaging Corporation(5)

JP 2010-186010 A↗2010

JP 2012-173420 A↗2012

JP 2013-186458 A↗2013

US 2014/0139720 A1↗2014

US 8,755,132 B2↗2014

OM Digital Solutions Corporation(1)

JP 2024-066164 A↗2024

Tamron Co., Ltd.(4)

US 6,437,923 B1↗2002

US 2003/0156333 A1↗2003

JP 2004-101739 A↗2004

US 7,075,731 B1↗2006

JP 2021-096331 A2021

JP 2010-186010 A2010

JP 2012-173420 A2012

JP 2013-186458 A2013

US 2014/0139720 A12014

US 8,755,132 B22014

JP 2024-066164 A2024

US 6,437,923 B12002

US 2003/0156333 A12003

JP 2004-101739 A2004

US 7,075,731 B12006